A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

San Diego's most historic and haunted home.

A 19th century family buried their dead among the pines, beneath gravestones styled after ancient Scottish cairns.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Inmates dig the graves at the largest prison cemetery in the U.S., the final resting place of both cowboys and Indians.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

The Grand Canyon of Texas.

Remembering the Alamo with a full-scale replica of the 1836 city.

The only diamond mine in the world where you can keep what you find.