This lake in the Cascades lives up to its name, disappearing down a hole every spring.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

When waves crash onto this section of beach, the rocks sing a song.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

One of the few surviving street funiculars in the world.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

Formerly secret, precariously perched boulders.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

The unbelievably opulent home built for an infamous newspaperman.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The only diamond mine in the world where you can keep what you find.

A more chill but no less fascinating version of the famous ancient archeological site.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Walk through Czech history in Prague's largest graveyard.