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

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

A rare chance to ride one of the few continuous elevators still in operation.

After years of being casually peed on by humans, this tree is peeing back.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

An underground city of salt.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The first and only troll museum in Norway has interactive exhibits, friendly staff and a small gift shop.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

This former stomping grounds of the most eminent astronomers of the early 20th century.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Amsterdam's former hotspot for public executions and dissections.

Colorful and chaotic stacked hotel in North Holland.

This bronze statue commemorates the strange and beloved mascot of UC Irvine—the only university to be represented by a giant anteater.

This enormous World War II relic is one of the largest wooden structures in the world.

Statues pay tribute to the icons of "Killer Dana," one of California's most famous surfing towns.