This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A horse statue that receives constant makeovers from graffiti artists and locals.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

For those late-night mollusk cravings.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A lush indoor jungle fills this bustling Madrid transportation hub.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

The most beautiful Taco Bell in the world even has surfboard parking.

This French Canadian classic is a specialty of the oldest continually used church in Minneapolis.

This suburban British town holds secrets that would have made the druids proud.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

A super-sized promotional trick that is now a D.C. landmark.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

Natural time capsule containing an alien ecosystem.