An ode to "The Queen of Appalachia."

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Home to drunken tower-climbing goats... seriously.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

An abandoned theme park with a strange and tumultuous past.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The world's longest known cave system.

The legend of a local monster still haunts this small town.

This was the first homestead registered after President Abraham Lincoln signed the Homestead Act into law.

This erect, phallic geological spire wasn't always named so domestically.

A true roadside icon standing on the same plains that the herds once roamed.

The world's largest Holstein cow.

Walk through the sets of old western films at this small museum in Utah.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

It's safe—and permitted—to walk across these twin natural sandstone arches.

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

The fifth-longest natural arch in the world, and the longest outside China.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

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

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.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.