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

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

One part antique store, one part curiosities hodge-podge.

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.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

A hands-on traveling collection of the innovative devices of yesteryear.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A psychedelic labyrinth on the San Francisco bay.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

A colorful square marks the heart of the city's LGBTQ community.

3/4-scale model of the White House in Atlanta, Georgia.

Scattered around Atlanta are little doors with big charm.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

The clients of these mysterious hand-crafted funeral cars took their last ride in style.

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

A tower devoted to — and modeled after — the Divine Comedy.