Hang out with thousands of butterflies in one of the world's largest such enclosures.

Cartoon clouds and nature-inspired murals have transformed the streets of Kuala Lumpur.

The oldest museum in Borneo is a cornucopia of rare taxidermy and human skulls.

Not far from the bustle of Kuala Lumpur is an amazing waterfall that navigates seven vertical drops.

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

One of the largest caverns in the world has a maw large enough to stack cathedrals in.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The ruins of Japan’s premier water brothel.

Every autumn, this hillside is ablaze with red summer cypress.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Two stunning 17th-century libraries and a cabinet of curiosities.

A church of bones, decorated with 40,000 human skeletons.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

The world's largest drain sits below the city of Kasukabe, Japan.

The largest volcanic caldera in Japan holds an entire city in its maw.

This active volcano's siren song to suicide jumpers forced authorities to build a fence.

Barbies stare from the walls, sit on the tables, and even pop out of cakes at this quirky cafe.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

An abandoned Art Deco hotel nestled on the side of a wooded mountain.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.