Legend has it the mill owner's daughter, Mary Musgrove, helped a Patriot soldier hide behind these falls.

A sprawling maze of used books piled from floor to ceiling.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Marta Becket's hand-painted theater in the desert.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.

Dramatic river bend surrounds a natural red-rocked pedestal.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

When ecosystems collide in the arid Southwest.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

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

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.