This giant iron playfully pays tribute to an early 20th-century architectural trend.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

An ode to "The Queen of Appalachia."

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A genuine Tudor manor transported piece by piece from England.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

This tree has witnessed nearly 1,000 years of history.

The location where the American Revolution ended.

The largest cattle market on earth holds live auctions open to the public every week.

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

The 55-pound trichobezoar was removed from the stomach of a cow.

A statue high in a hill that represents how Buffalo Bill got his name.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

The largest land animal skull ever discovered.

Come for the fried chicken, stay for the history at Oklahoma's oldest bar.

This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.