A 300-foot-long Cold War submarine floats in a Chilean River as a maritime museum.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

The ominously named cave is home to some remarkable ancient art.

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.

The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

An ornate tomb pays tribute to one of the most influential and cherished military leaders in Vietnam's history.

A sculpture park that takes the use of clay to a whole new level.

One of the oldest temples in Ho Chi Minh City, dedicated to a deified Chinese military leader.

Vietnam's largest Buddha statue depicts a female sage.

Fowl, love and death in Vietnam.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

Home to what locals claim is the largest whale skeleton in Southeast Asia, which is worshiped yearly.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

This tiny Vietnamese village is known for eating snakes and serving their still-beating hearts in shots of vodka.

Have fun at the world's first Buddhist waterslide park.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

This abandoned oil depot produces world's longest echo in a manmade structure.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The ruins of a medieval seminary some say is the oldest university site in Scotland.