One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This former lieutenant governor's home is brimming with curiosities.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

This sprawling bookstore spans four floors and has more than a million books in stock.

One of the best absinthe distilleries in the United States.

The restored and active Victorian-era final resting place of San Francisco.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A winding path built in secret on the edge of the continent.

A huge musical instrument played by the ocean.

An artsy hidden staircase leads to breathtaking views of San Francisco.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

The cedar tree in Highgate Cemetery earned its title by accident.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

This overlooked street light once served as a KGB dead letter box.