Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Gold Rush-era tombstones line the park's paths.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A winding path built in secret on the edge of the continent.

A 140-year-old castle with underground caves hidden in San Francisco.

Pay your respects to a folk-punk legend.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

A ghost town at the airport is now a refuge for blue butterflies.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

A tourist attraction founded around a slumping cabin.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Sniff the Titan Arum's rotting flesh.

Ride the subways of yesteryear.

This recreation of a 19th-century dime museum is full of oddities.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

A hip bar decorated with walls of golden skulls.

A miniature rainforest is growing inside of a Midtown Manhattan office building.