Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Two stone columns flank the grand Venice square, but there were supposed to be three.

As can be expected from a centuries-old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

2300-year-old Roman road connecting the empire.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The oldest continuously occupied public building in the United States.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Limestone caves with spectacular showcase chambers.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

A Wild West jailhouse that slid down the mountainside.

Outsider Art Community.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.