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

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

Make your reservation to have coffee with some kitties.

Quite simply the largest tree in the world (by volume).

Seattle's own bad art museum located inside Cafe Racer.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The largest self-built castle in the U.S., six decades in the making.

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

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The world's longest known cave system.

A modernist landscape of water and sci-fi concrete.

Tiki luxury on Nob Hill.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A museum dedicated to the alleged Roswell Incident.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A technicolor place of worship for Elevationists.

San Francisco's newly reopened hands-on science museum.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."