Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

The statue of a cursed knight is said to come to life every 100 years.

A Jenga-style cylindrical tower of books that appears to go on forever.

Macabre astrological automaton clock dating to the late 1400s.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The legendary building that needed ghostly approval before being built.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This legendary urban waterfall creates a dazzling display of rainbows.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

An exquisite Baroque church in Vienna's old town.

A colorful, century-old cemetery of the Yaqui Indian Tribe hidden amid the suburban sprawl of Tempe, Arizona.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Atop the former site of a historic bakery sit two stone tributes to Verona's contribution to traditional Italian baking.

Pilgrimage site for star-crossed lovers.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The actor best known for slapstick comedy is memorialized in his home town.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

The hallucinogenic center of the ancient world.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.