A home for Spain's version of the Tooth Fairy, hidden in an old gas company register.

A “floating horse” hangs menacingly over the heads of passersby.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

Dedicated to a young woman who broke gender barriers at the University of Madrid.

An ancient Egyptian temple in the middle of Madrid, Spain.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

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

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A brutalist gem towering over the heart of Milan.

Where Venice's gondolas go for a tune-up.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Drink wine handed out through a window as part of an age-old tradition.