The glacier tucked within a New Zealand rainforest.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

A perfect turquoise lake colored with glacier dust.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

The hallucinogenic center of the ancient world.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

360° views of the city plus five floors of optical illusions and hands-on science.

Thousands of well-dressed mummies below a monastery.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This shop specializes in oddities and Victorian-inspired wonders.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Famously misunderstood wonder of the ancient world

An Australian lake whose pink hue defies scientific explanation.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A psychedelic labyrinth on the San Francisco bay.