This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

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

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

The largest drain hole in the world.

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

One of the last free public hot springs is decorated with hippie art.

The unbelievably opulent home built for an infamous newspaperman.

A multimedia experience that chronicles the atrocities of racism.

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

San Diego's most historic and haunted home.

Lucha Libre (Mexican Wrestling) themed taco shop.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

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 L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Golden Gate Park's historic collection of plants.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

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

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

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.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.