A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A mysterious castle built as a monument to lost love.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

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

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

A meditative space out of a fantasy story.

A house filled to the brim with oddities and curiosities.

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

Couple's personal collection of pinball machines turned public pinball museum.

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

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

A reproduction of earth's many biomes.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

This lab's maddening silence is good for business but bad for sanity.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

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

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

A museum dedicated to the alleged Roswell Incident.