A museum dedicated to the decorative arts from the 16th through 19th centuries.

Acres of natural wonders left behind by a socialite-turned-gardener.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

Everything you always wanted to know about borates is here.

Its vast collection details the history of this Santa Barbara beach town.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The only museum and archive west of the Mississippi that is dedicated to the study of Abraham Lincoln.

Abandoned Air Force base that has fallen into disrepair.

This stately structure has been abandoned for half a century.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

Where decommissioned airplanes and helicopters go to become part of Hollywood.

Mexican food and folk art.

This park is home to well over 100 handmade birdhouses.

Exotic feline breeding compound and conservation center.

Oldest building in California still in use.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

An unexpected connection to Chicago awaits visitors on an island just off the California coast.

French prisoners carved these boats from the bones of their meat rations.

A dry lake is what remains of a community founded on a real estate scam.