Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

This former sugarcane transport tunnel is now a portal to a lovely beach.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This half-finished "city of toys" was almost Italy's own Las Vegas.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

Every last book in this bookstore is signed by the author.

This abandoned subway station can still be seen on regular commuter trips.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

Tucked away in a small German apartment is an eclectic museum devoted to West African vodun culture.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

The largest permanent Monopoly board makes one of the longest games even bigger.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

A new kind of theme park for adults off the Las Vegas Strip.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.