This Old West prison built into the side of a cliff was said to be inescapable.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

A city park that sits on top of a freeway.

A symbol of Texas pride.

After 97 years of constant vigilance from the dome of the Texas State Capitol, the original Goddess of Liberty retired to a life of climate-controlled leisure.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

Austin’s local mountain isn’t really a mountain at all.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

A museum and tribute to a brave profession.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A geological mystery on Camelback Mountain.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.