This mysterious and creepy location instills a strong sense of foreboding in all visitors.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

California's largest steel arch bridge.

Colorful Native American paintings are hidden within this small cavern.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

A futuristic-looking beach house built for the owner of a snack food brand.

A couple turned their front yard into an artistic masterpiece.

A hidden courtyard houses early 20th-century plaster masterpieces.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Take a leisurely ride on a 1906 cable car or a 1907 steam locomotive.

A tree grown from astronaut seeds which were exposed to cosmic rays.

The stately birthplace of California's statehood.

This remarkably simple jail went over a century without an escape.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

An inconspicuous footbridge beloved by San Diego locals.

Lucha Libre (Mexican Wrestling) themed taco shop.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.