A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A massive sea stack famous for its appearance in The Goonies.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

This attraction was abandoned after the Chernobyl disaster.

The largest outdoor art gallery in the Northwest United States.

Jail from the 19th century that was built by inmates.

The fifth-longest natural arch in the world, and the longest outside China.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This hilarious English intersection is an automotive whirlpool.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Eighty million natural history specimens call this gargantuan museum home.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.