In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

This rural island is home to the ghost town of what used to be the world’s biggest salt mine.

The oldest natural history museum in western Canada houses more than 5,000 vintage botanical and zoological specimens.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The revival of a classic Art Deco theater.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.

This eerie sculpture overlooks what was known as the Road of Bones under Joseph Stalin.

Dedicated to the neverending mathematical constant, this plaque next to a park bench was sponsored by an anonymous benefactor.

An epic statue dedicated to the memory of the 9th and 10th Cavalry Regiments of the U.S. Army

The former site of the world's largest paper mill is now a museum preserving the heritage of Canada's pulp and paper industries.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

This lesser-visited gallery in a corner of the Tokyo National Museum complex is an architectural beauty dedicated to the ancient treasures of Hōryū-ji.

The Guinness Record holder as the "tallest cinema in the world" is a building with screens in almost every one of its 12 floors

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

The biggest depiction of Don Quixote's love interest in the whole world.

Referred to as "the crappiest fountain ever," this sculpture has been splashing unknowing passersby since 1969.

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

Quotes and poems etched on stone plaques are hidden along this waterfront walkway.

A serene, almost spiritual place to do one's business. Who knew a public toilet could inspire and awe?

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

This gilded emblem was once stolen by a Cookie Monster impostor, who demanded a charitable ransom for its return.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.