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

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

The largest underground church in Europe.

The world's largest reflecting pool is just two centimeters deep.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Curious cave that stays a cool 56 degrees all year long.

Destroyed by flood waters, prison now serves as a training ground for armed forces.

This small town bank is very aware of its name thank you very much.

European castle ruins in an American state park are actually the product of death and grief.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

Haunting and beautiful trees, doomed to die.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

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

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

A museum based on the collection of a Victorian family. Housed in a remaining Victorian villa.

This colossal war machine is now a living museum dedicated to underwater warfare.

This charmingly homemade amusement park has been growing for 40 years.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

This chimerical bridge/tunnel appears to dead end right into the sea.

Go deep down into the earth to experience the world of Welsh coal miners.