Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

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

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This collector's home is a constant work in progress.

Rainbow-hued local gem in Venice.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Resting place of Hollywood's immortals is also site of summer film screenings.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A Tucson museum and performance space full of found-object movable sculptures.

Miniature art that tells an enormous story.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

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

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.