A historic neighborhood church is reborn as a psychedelic arts collective.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A clear blue swimming hole with hidden caves, still unexplored.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

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

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

These eerie outliers of the lightning bug family glow a mysterious blue color.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

Explore 10 acres of environmental sculptures.

Canyon walls shrouded in ferns.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This woodland architectural installation acts as a camera obscura for the heavens.

Rustic natural hot springs in the deciduous rain forest.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

"Looks so real, it's scary!"

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

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

A legendary speakeasy bookstore returns from the brink.