This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's largest clay lick, where parrots gather to snack.

The Uros people live on floating reed islands in lake Titicaca.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

At this museum in Iceland, visitors can sample fermented Greenland shark.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

A mysterious ancient network of thousands of perfectly straight lines stretching across miles of Bolivian desert.

The family compound and final resting place for the philosopher, Confucius, and over 100,000 of his descendants.

Three floors above a 2,000-year-old royal tomb is a rare collection of ancient porcelain pillows.

Though these human-made islands were constructed as an escape for the wealthy, they rarely see many visitors.

The powerful party began with a secret meeting in this shikumen in 1921.

Forgotten for decades, the first medical school built in Communist China is full of surprises today.

An exquisite example of Uyghur Islamic architecture.

Home to around 40 different species, this forest was also the setting for "Crouching Tiger, Hidden Dragon."