A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The World's Largest Bull.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Home with Gothic windows featured in a famous painting.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A stairway to heaven, or to nowhere at all.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Notorious artist squat renovated into legal studios.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.