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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Hawai'i Volcanoes National Park is home to one of Polynesia’s largest petroglyph fields.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

One woman's Viking Castle on Lake Tahoe.

The southernmost outpost of the Russian Empire in colonial America.

Massive prehistoric mammals used these stones as oversized scratching posts.

Climb 200 stairs up the tallest lighthouse on the West Coast for an unbeatable view.

A trash dump made beautiful by nature's power.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

A vaudeville performer mounted this hollowed-out redwood log onto the chassis of a truck, and toured the country spreading a message of conservation.

The tallest bridge in California was constructed for a project that was eventually cancelled.

This former boomtown "island" is now submerged below Folsom Lake.

This 19th century hydroelectric powerhouse was the first of its kind.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

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

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