The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

Two small markers remember the Alamo's feline protectors.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An emerald-green grotto just a short trip from Austin.

An Irish Memorial commemorating those who perished due to potato blight.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

This tiny old water tower once doubled as a makeshift jail.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Apparently, the whole cosmos emanates from this plain concrete tower.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

This tiny little island has, as the name says, just enough room for its single house.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

A castle built for love, and abandoned due to heartbreak.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.