The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A modern day curiosity cabinet.

World War II-era Nazi compound nestled in the Santa Monica hills.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

This private residence was the template for one of the most beloved television homes of all time.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Golden Gate Park's historic collection of plants.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The unbelievably opulent home built for an infamous newspaperman.

A multimedia experience that chronicles the atrocities of racism.

The site of murders and Satanic cult gatherings.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The remains of a ruined mansion memorialize the 1906 earthquake.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The final resting place of a space program monolith.

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

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A meditative space out of a fantasy story.

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