360-degree virtual reality chamber physically immerses scientists into their data.

This impressive tunnel was dug entirely by hand over the course of 36 years.

One of the most unusual geological features, recognizable from a dozen hit movies.

Exotic feline breeding compound and conservation center.

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

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

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

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The echoes of a railroad town that solemnly mark the end of the line.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

The famous animator's private station house and man-cave was the birthplace of imagineering.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

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

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

North America's largest accredited model railroad museum.

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

This large collection of tiny things revels in the art of fine machinery well made.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A large sculptural artwork and garden in Escondido, California.

Made famous by cable TV, this oddball collection of antiques and collectibles is a cut above the rest.

Where the line between entertainment and aerospace blurs.