An obscure waterfall that looks like something out of a fantasy novel.

A sculpture of a salmon swimming through a brick building.

The magic's in the hole!

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A wall of chewing gum moonlights as collective art.

A giant Troll lurks under one of Seattle's oldest bridges.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A little sculpture with a large wardrobe.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

A subterranean house of worship carved right out of the bedrock.

Frequent fliers welcome in this airplane hotel.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

Come for the waffles, stay for more waffles.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.