The Inner Atlas is SunZen Travel's knowledge library: curiosities, facts, and secrets of the countries we visit, as well as reflections on travel itself. Information you won't find in any guidebook.

You'll find articles on Thailand, Vietnam, Sri Lanka and Bali, cross-cutting series on nature, food and language in Asia, and reflections on traveling solo as a woman, traveling in a small group, why we postpone trips, why more and more people want to travel without organizing anything and what happens in the brain when we break our routine. There are also two tests: one to choose a travel destination around the world and another to discover which Asian destination fits you.

The complete index of SunZen Travel

SunZen Travel · Travel Insights

Atlas Interior

What you won't find in any guidebook. What completely changes how you experience a country when you know it before you arrive.

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What is the Inner Atlas?

The better you understand a country, the more you enjoy it. That's the difference between visiting a place and feel it.

Why It Exists

Here we write about the destinations where SunZen travels: curiosities, facts, culture and secrets that do not appear in any guide.

These aren't lists of tourist attractions. They're the things that make the difference between simply arriving in a country and truly entering it.

And there are also reflections: about traveling alone, about why we postpone trips, about what changes when the group is small.

Landscape of the Andaman Sea in Thailand, SunZen Travel's Inner AtlasThailand · Culture clashes

What Thailand Doesn't Tell You

The invisible rules that no one explains to you and that completely change the way you move around the country.

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White Temple of Chiang Rai in Thailand, Inner Atlas by SunZen TravelThailand · Incredible Stories

Stories That Seem Made Up

Real events in Thailand so improbable that it's hard to believe they actually happened.

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Golden Buddha in Bangkok, Thailand, SunZen Travel Inner AtlasThailand · Spirituality

The invisible soul of Thailand

The spirituality that permeates everyday Thai life and is noticeable long before entering a temple.

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Kebabs at a street market in Thailand, SunZen Travel's Inner AtlasThailand · Gastronomy

Gastronomy that changes you from the first spoonful

Why Thai food works the way it does, and what to look for beyond pad thai.

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Nature of the Andaman Sea in Thailand, SunZen Travel's Inner AtlasThailand · Nature

The best of Thailand never appears in a guidebook

The natural corners that don't appear on the tourist routes and that explain why the country is so captivating.

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Sunset over Bangkok, Thailand, SunZen Travel Inner AtlasThailand · Curious Laws

The curious laws that nobody tells you about

Real and current rules in Thailand that surprise anyone who arrives unaware of them.

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Golden Buddha in Thailand, article about the sai sin thread of the Inner AtlasThailand · Traditions

The thread that ties you to your wrist and why you should never cut it

What the sai sin, why it should never be cut and what Thais believe holds that thread together.

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Maya Bay, the Thai bay surrounded by cliffs, SunZen Travel's Inner AtlasThailand · History and nature

The beach the world almost destroyed

Four years closed, thirty thousand corals planted by hand and the same number of people filling it up again. The story of Maya Bay, in full.

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Lanterns of Hoi An in Vietnam, SunZen Travel's Inner AtlasVietnam · Complete Guide

Before Traveling to Vietnam

The guide no one gives you. Not just to survive—Vietnam is safe. But to arrive knowing what others only discover after three days.

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Delacour's langur, primate endemic to Vietnam, SunZen Travel's Inner AtlasVietnam · Species

The jewelry you'll only find in Vietnam

105 extraordinary and endemic species: almost legendary primates, felines with the most beautiful fur in the animal kingdom, and amphibians of impossible colors.

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Son Doong Cave in Vietnam, the largest in the world, SunZen Travel's Inner AtlasVietnam · Geology

Vietnam: Pages Written by the Earth

107 geological wonders: caves with their own climate, mountain ranges born from vanished oceans, and canyons millions of years old.

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View of the interior of a cave in Vietnam, SunZen Travel's Inner AtlasVietnam · Records

65 records that changed science

The Saola, the world's largest cave, unique ecosystems and discoveries that no other country can match.

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Motorcycles parked unattended on a street in Hanoi, article about Vietnamese lawsVietnam · Curious Laws

Curious laws of Vietnam

Zero tolerance for alcohol, the vaping ban, drones, and driving permits. Nine real rules, and what you actually see on the street.

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Sri Lankan leopard in Yala National Park, Inner Atlas by SunZen TravelSri Lanka · Complete Guide

Before Traveling to Sri Lanka

Safaris with leopards, trekking through tea plantations, whales and temples: the curiosities that make you want to book now.

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Wild leopard in its natural habitat in Sri Lanka, SunZen Travel's Inner AtlasSri Lanka · 25 places

Sri Lanka seems like it's from another planet

25 places that don't seem real: the highest density of leopards in the world, blue whales 3 km from the coast and a train that climbs 1,893 meters.

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Besakih Temple in Bali, the island's mother temple, SunZen Travel's Inner AtlasBali · Magic and Rituals

Bali, the Island of the Gods

Canang Sari, Melukat, Nyepi, Ogoh-Ogoh and the spiritual secrets that can only be understood by experiencing them.

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Candi bentar, traditional split door of a Balinese temple, Inner AtlasBali · Customs

In Bali almost everyone has the same name

There are villages accessible only by boat and fabrics that take five years to weave. 25 customs of Bali.

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Mount Agung, Bali's sacred mountain, SunZen Travel's Inner AtlasBali · Nature

The nature of Bali that no one tells you about

25 curiosities: sacred volcanoes, a bird on the verge of extinction and reefs that grow with electricity.

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Rafflesia arnoldii, the world's largest flower, SunZen Travel's Inner AtlasAsia · Extreme Botany

Fascinating, strange and extreme plants of Asia

Flowers that smell of death to attract life, trees that wait eighty years to bloom only once, and woods that are worth more than gold.

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Vietnamese phin filter dripping coffee into a cup, SunZen Travel Inner AtlasAsia · Flavors

The Coffee Route of Asia

Seven smuggled beans, the plague that ravaged Ceylon, and the coffee that wiped out the opium fields in Thailand.

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Mountain forest in northern Vietnam, habitat of endemic birds, Inner AtlasAsia · Nature

Asia's most fascinating birds

A ghost that no one has seen since 1980, a resurrection in progress, and a bird that crashes headfirst in mid-flight.

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Lanterns lit in Hoi An, Vietnam, SunZen Travel Inner AtlasAsia · Language and culture

Words that do not exist in Spanish

Mai pen rai, duyên, Tri Hita Karana… the untranslatable words of Thailand, Bali, Vietnam, and Sri Lanka.

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The Earth at night from space, where the most photogenic places on the planet arePhotography · Places in the world

The most photogenic places on the planet

They exist only in a specific window of the day or year. Deadvlei, Angkor, Lofoten and nine more, with verified data.

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Rakel gazing at the Bangkok skyline, an article about traveling alone in AsiaPsychology · Rakel

Traveling Alone in Asia

The fears, one by one. What is true and what no one tells you about traveling alone.

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Sapa town center in northern Vietnam, SunZen Travel's Inner AtlasTraveling in a Group

Does it make sense to travel independently? Yes, no, and it depends.

An honest question with three equally honest answers: when it makes sense, when it doesn't, and when it depends on something only you know.

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The 7 excuses that prevent you from traveling, Inner Atlas by SunZen TravelThe Psychology of Travel

The 7 Excuses That Keep You From Traveling

"I don't have time." "I have no one to go with." "It's too expensive." The seven most common ones, taken down one by one.

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Beach landscape in Asia, article on the someday syndrome, Inner AtlasThe Psychology of Travel

"Someday" syndrome

Why your brain postpones the trip you want most. What is hyperbolic discounting and how to break the cycle.

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Computer screen with a map of Southeast Asia and many tabs open while organizing a trip to AsiaThe Psychology of Travel

Why more and more people want to travel without planning anything

Seven studies explain why planning a long trip can be a bottleneck. What you gain and lose by delegating the logistics.

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Small group of travelers waiting together at the airport before departureTraveling in a Group

Anatomy of the First Day

What exactly happens when no one knows each other, and why the fear of not fitting in disappears sooner than you think.

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Small group of travelers on a traditional boat in Vietnam, Inner AtlasTraveling in a Group

Why a small group completely changes the travel experience

Six psychology studies explain why traveling with thirteen people is not the same as traveling with forty. And what you miss out on in a small group.

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Ayurveda, yoga and meditation retreat in Kerala, India, SunZen Travel's Inner AtlasPsychology · Retreats

What if the greatest luxury of your life was to stop?

The real doubts before an Ayurveda, yoga and meditation retreat in Kerala: what science says and what those who have already experienced it tell us.

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View from an airplane window above the clouds, article about the surprise journey of the Inner AtlasThe Psychology of Travel

What if you didn't know where you were going until you got to the airport?

Why choosing a destination is exhausting, according to six studies. And an idea we're working on.

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Terraced rice fields in Sapa, Vietnam, article on the neuroscience of travelNeuroscience · 01

What Happens in Your Head When You Break Out of Your Routine

Nine verified findings about attention, memory, and confidence when the brain stops predicting. And a whole chapter on what science doesn't say.

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Sunset over a beach in Vietnam, an article about whether a big trip can transform your mindNeuroscience · 02

Can a great trip transform your mind?

Why you choose one destination over another, what version of yourself shows up when you're far from home, and what really remains when you get back. Nine studies and a personal note from Toni.

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Inner Atlas · SunZen Travel

Understanding a Country changes how you experience it

We don't organize tours. We organize experiences where gaining knowledge is part of the journey.

Frequently Asked Questions

About the Inner Atlas

What is the SunZen Travel Inner Atlas?

It's SunZen Travel's knowledge library: curiosities, facts, culture, and secrets of the destinations the agency visits, as well as reflections on travel style. It's designed so you arrive knowing what others discover after three days.

Which destinations does the Inner Atlas cover?

Thailand, Vietnam, Sri Lanka, and Bali, with articles specific to each country. There are also cross-sections on nature, gastronomy, and language throughout Asia, and a section reflecting on solo travel, small group travel, and why we postpone trips.

Is there a test to choose a travel destination?

Yes, there are two. One opens up the whole map and suggests places all over the world based on how you like to travel; the other focuses on the four Asian destinations SunZen travels to. Neither asks for registration and they take a few minutes to answer.

Is it free to read the Inner Atlas?

Yes. All the content in the Inner Atlas is free and available to anyone who wants to learn more about a destination before traveling, whether or not they book with us.

How often are new articles published?

We are constantly adding articles, featuring experiences, anecdotes, and verified information about each destination. The index of this page is updated with each new post.

SunZen Travel · Group Trips

Travel with someone who already knows it

Groups of 6 to 13 people, local guide in Spanish and one of us with you throughout the trip.

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Contact · SunZen Travel

Let's talk whenever you want

When you write, a person answers. Not an answering machine or a ticket.

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