The oldest standing structure in downtown San Diego.

One man's quest for the ultimate road trip vehicle.

This hidden amusement park is a magical escape for kids and kids-at-heart.

Rusty pieces of metal jutting out of a breakwater are all that's visible of the 12,500-ton ocean liner that capsized just off the beach.

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

One of only five observatories in the world built to measure the Earth's wobble.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

A natural dome made of volcanic glass in Inyo National Forest.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

The decaying adobe remains of an old homestead are just off the beaten path in Joshua Tree National Park.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

Gnomes have their very own bonsai-landscaped settlement on a university campus.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

The most beautiful Taco Bell in the world even has surfboard parking.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

At this deceptively beautiful beach, nothing is what it seems.

Wheels of chrome by the thousands adorn this California Historical Landmark.

Educational foundation that teaches the powers of fourth dimensional physical properties.

This Southern Californian Conservation Center is home to singing and howling apes.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.