This church on a Tohono O'Odham reservation has stood since 1797.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

Legend says train robbers stashed their gold within the depths of this unusual cave.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

An inconspicuous footbridge beloved by San Diego locals.

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

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

A unique blue and yellow phone booth in America's "Little Sweden."

This artsy public restroom is shaped like a giant john.

Curious rock formations in a tiny Kansas state park.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Along a California highway is a kind of Jurassic Park made of metal.

A world-class observatory in the California desert.

The unbelievably opulent home built for an infamous newspaperman.

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

The ghost town that ended up on Ebay.

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

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

Quite simply the largest tree in the world (by volume).

It would be a crime to miss it.