Secret North Korean passage discovered below the world's most dangerous border.

Home to more than 13,000 pieces of war memorabilia and military equipment.

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

Home to over 200,000 artifacts, this museum attempts to guide visitors through the ancient history of Beijing and Imperial China.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

Singapore's landscaping project is home to 18 incredible Supertrees.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

This nugget of paradise earned its name for obvious reasons.

A phallic shrine to a princess goddess in Krabi, Thailand.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

A white Buddhist temple with a golden restroom.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

South Korea's women of the sea have completely flipped their society's structure by becoming revered fisherwomen.

The world's first cruise ship-shaped hotel is perched atop a cliff.

Explore the history of recorded sound at the world's third largest collection of Edison memorabilia.

The darkest building on Earth was built for the snow-white scenery of the 2018 Winter Olympics.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

The highest point in Washington state is a volcano covered in glaciers.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."