Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

The world's longest continuously running show has played at this small West End theater since 1974.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

These fascinating 19th-century tombs in the center of Pune belong to Europeans who lived in the city in that era.

The first American department store, and home to the largest operating musical instrument in the world.

Someone really, really wanted to save this fast-food icon from demolition.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

Eat like a bird in a bamboo nest.

Though it's thrived abroad, this forgotten Dunkin' rival has just one store left in the States.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

Denmark’s never-ending bridge.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

An exquisite tunnel of cascading flowers.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

A small Japanese village claims to be the final resting place of the son of God (and God's other son's ear).

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This isolated island is often capped by its own fluffy cloud.

Every equinox this Maya pyramid puts on a spooky ancient light show.