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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Stalactites and stalagmites in a beautifully lit cave.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

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

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A Hawaiian stairway to heaven—that you can't climb.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

An underwater city for the dead.

An ethereal glowing blue ocean cave in Croatia.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

An Aztec snake god has taken the material form of an apartment complex.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Once the most densely populated place in the world, this island is now a ghost town.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Pompeii's less famous neighbor is still revealing her secrets.