The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

In one of the world's smallest countries, a royal's personal winery is open to the public.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

Fans of the spicy bright-red sauce can tour where it's made.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The liveliest ghost town in the state.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

A military vehicle collection, showcasing how war transportation advanced from horse drawn artillery to self propelled cannons.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

This historic tower in the California desert promises visitors a "vortex of good vibes".

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

World's largest collection devoted to one fruit.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

The stone-covered graves lie within the ruins of an Old West ghost town.