A classic theatre located along a desolate Montana road.

A portrayal of two lamps embraced and in love.

This fortress-like monastery is covered with intricate frescoes.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

This century-old independent movie theater with an iconic Art Deco neon sign survived a devastating fire in 2016.

This demonic monument commemorates a carving destroyed in World War II.

This museum, established in Butte's lost Chinatown, celebrates Asian-American culture in what was once the world's largest mining camp.

Hundreds of signs pointing to the birthplaces of current Helsinki residents form stalactites on the ceiling of the cave-like Kamppi metro station.

Like your grandma's attic—if your grandma were a little weirder, extremely well-traveled, and had a great eye for art.

The hallowed ground of one of the worst atrocities in United States history.

This 18-foot-tall public art installation is another of sculptor Thomas Dambo's trolls.

This museum houses and extensive collection of technology contributed by the Polish people.

A map store filled with original Cold War era Russian maps of the world.

Sample sweets at an Art Nouveau candy shop that's been in business since 1874.

Salina's eye-catching giant mural depicting children at play is painted atop a century-old mill elevator.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

Step back in time at this 19th-century kiosk.

This small chapel built into rock is the oldest place of worship in Luxembourg.

Hundreds of these oversized benches have been built as an art project meant to change people's perspectives.

Eat the ultimate iteration of Portugal's most beloved pastry.

Often mistaken as a medieval Gothic monument, this unique cornerstone only dates back to the 1980s.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.