Junkbots and mud babies are the masterpieces in this fantastically sci-fi art museum.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

The fossilized remains of ancient California redwoods.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

California's own majestic geyser is powered by a subterranean volcano.

A sculpture dedicated to Napa Valley's oldest mineral water company.

A veteran Disney animator turned his gift for storytelling to a museum devoted to his love of a California city.

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

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

For a buck, students can snag freshly picked apples grown in the university orchards.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

The largest Star Wars collection in the world is its own galaxy of collectibles.

Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

A popular tourist cave with a dark past.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

Historic home to one of the most famous women pioneers of the 19th century.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Back in the day everyone who was anyone played this historic western theater.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.