A mile-long navigable cave adorned with stalactites and stalagmites reaching up to 65 feet tall.

This serene bamboo walkway allows Buddhist monks from remote temples access to the nearby village.

Its tremendous toad is actually a five-story museum and viewing platform.

A condom-covered Thai restaurant that is more concerned with birth control than food.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

Six times a day a train runs right through the middle of this Thai street market, sending vendors scrambling.

A tall karst islet popularized by 007.

Eat like a bird in a bamboo nest.

This densely-packed cluster of buildings was saved from the wrecking ball and turned into an art community.

Paiwanese restaurant run by native indigenous Taiwanese singer songwriter, and home to a DIY arts-and-crafts folk garden.

This attraction is part anthropological journey and part amusement park.

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

A magically clear, blue river that seems to spring from nowhere.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.