In the Netherlands, one of the world's largest private car collections can be found.

A miniature city, once ruled by the Queen of the Netherlands.

A circus legend leaves an unexpected endowment.

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

Stunning examples of Russia's 18th-century wooden architecture.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Looming communist pillar with a Czech twist.

Apartment complexes built into huge repurposed natural gas tanks.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

These whimsical works of art tell the story of the city's past and present.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The oldest continuously operating fish market in the United States.

This no man's land slicing through the island is strewn with abandoned relics of another time.

Automatons that were once removed after one fell from the building.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Commonly acknowledged as the only public monument to the Devil himself.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.