The best bagels in Berlin are tucked away in an independent bookstore.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

The eclectic observatory castle of a 19th-century astronomer and explorer.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

A museum dedicated to the centuries-old cave dwellings that housed marginalized communities on the outskirts of the former capital of Muslim Spain.

This miniature Paris, built out of trash, is one man's two decade labor of love.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Of course Salvador Dalí lived in a castle...

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Kawaii meets poisonous at this unique art gallery.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

Not quite the menace it once was, this monster still has some chops.

This small Japanese street is lined with figures, sculptures and a shrine dedicated to frogs.

Giant art made in Japanese rice fields.

On Japan's Tashirojima Island, cats are king.

A park built around the legend of a clam-loving giant who created a monumental midden.

Every autumn, this hillside is ablaze with red summer cypress.

A Japanese cat island also populated by the descendants of a band of banished samurai.

This 400-year-old sweet shop serves a delicacy some have described as "edible incense."

The world’s first hotel to be run by robots.