At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

This roadside shrine to an unofficial saint has welcomed the wishes and prayers of local believers for generations.

This hands-on math museum believes in turning concepts into constructs.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

The legendary building that needed ghostly approval before being built.

Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

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

The oldest home in Huntington Beach, the farmhouse is a monument to the region's pioneer past.

This enormous World War II relic is one of the largest wooden structures in the world.

A small sculpture garden that provides a microcosmic representation of California.

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

The final resting place of the songwriter who penned “Take Me Out To The Ball Game."

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

A man's home is his castle.

Where school buses go to die and be reborn as whimsical works of art.

Healing Springs that once ran red with soldiers' blood.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.