The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

One of the last mosaic tile facades found in the city.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A faux European lane smack dab in downtown L.A.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A music-filled, booze-soaked oasis in the desert.

Version of the French Riviera destroyed by the sea.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

The ghostly remains of an accidental sea.

This conservation area is also home to many of the region's desert tortoises.

Some of the world's only freshwater seals live in one very special lake in Russia.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Lucha Libre (Mexican Wrestling) themed taco shop.

One of the largest trees of its kind in California.

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

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The Gaslamp District's oldest bar sports a urinal marked with a golden plaque that was allegedly used by Mick Jagger.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.