At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

This library and museum is dedicated to the life and literature of the Indianapolis native author.

The only runway directly into the magic kingdom has been closed since 1972, but it still sings to you if you drive fast enough.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home of the International Space Hall of Fame.

The final resting place of the most famous outlaw in the Old West.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This restaurant proudly displays bread signed by the 39th president.

The oldest continuously occupied public building in the United States.

The only surviving prototype for Buckminster Fuller's house of the future.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Robots, lasers, and whoopee cushions, oh my!

Mining town from the late 1890s, once home to Calamity Jane.