A meditative space out of a fantasy story.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This Pringle-shaped ledge makes for the perfect photo op.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The rocks in this arid basin leave trails of movement behind them.

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

The ghost town that ended up on Ebay.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.