The oldest hotel in Nevada.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

A high-octane shrine to the greatest Texans who ever lived.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

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

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The highest bridge in America was built for an almost unnervingly small amount of money.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

The highest point in Washington state is a volcano covered in glaciers.

This sandstone mansion was the home of two of Oregon's most important pioneers.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

An emporium for the weird, creepy, rare, and just plain gross.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.