Play over 120 retro arcade games and pinball machines at this throwback museum.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A monument to the "father of modern warfare" Gustav II Adolf.

A historic house left in "dramatic still life."

The lake that fills and empties itself at random.

The Egyptian-inspired last resting place of Lord Kilmorey.

A haunted hill that supposedly defied gravity.

One of the largest caves in the world open to the public.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

The biggest exposition of dental equipement in Europe. And a Mummy.

A piece of John the Baptist in the American heartland.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Norway's national monument to fallen seamen.

When you get to Magnetic Hill park near the sign, put your vehicle in neutral gear, and watch it roll uphill...

Treehouse motel and treehouse-building school.

Featuring Zürich's only authentic 14th-century plague doctor's uniform!

Bizarre Cavern.

What is the Thing?

Ornate limestone building now filled with geologic specimens, and more.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.