A hidden gem in the middle of the city's infamous Jewelry Quarter.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

An abandoned suspension bridge on the Falkland Islands is crumbling into the water.

This lab's maddening silence is good for business but bad for sanity.

The metal leaves on this tree are engraved with the names of Holocaust victims.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

An old train trestle re-imagined as an Egyptian obelisk.

A handful of beehive kilns are all that’s left of a historic brick-making empire.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

The remnants of an early American attempt at missile defense.

The remains of a deserted 1800s farming community can be found in Little River State Park.

An abandoned relic of the city's failed experiment with below ground transit.

A Beaux-Arts triumph set to become Ford's innovation campus

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.