The old fire tower is one of the last of its kind in the United States.

This peaceful, round shrine in the middle of the Sri Lankan jungle acts as a beacon of peace.

These giant metal horses graze on a hilltop near the Montana highway.

Mining town from the late 1890s, once home to Calamity Jane.

The largest outdoor art gallery in the Northwest United States.

Boise State's stadium was the first non-green football field in the world.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

A black cottonwood gets a second life as a home for books.

A collection of huge, site-specific sculptures sitting in the Montana woods.

A kaleidoscopic warehouse-maze of handmade neon signs.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

This luscious masterpiece created by landscape designer Bevis Bawa inspired the work of his brother, a famous Sri Lankan architect.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

These abandoned ruins in the middle of Jaffna have withstood centuries of tumultuous power struggles.

Notorious artist squat renovated into legal studios.

The television series' iconic giant foot was borrowed from this classical painting.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A museum of carnival attractions where you are invited to ride the rides.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

France's national museum of scientific and industrial instruments.

Giant, friendly pelicans in Central London, the most unlikely of places.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.