A modern day curiosity cabinet.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A hand-built folk art installation covered with messages of God's love.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This giant temperature attraction created some giant electric bills.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

An acoustic anomaly with a mysterious cause.

A chessmaster's dream destination.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Massive still life just off the highway in Kansas.

An idle pastime becomes a record holder in Boys Town, Nebraska.

One of few remaining antique carousels with stationary animals in the U.S.