Experience a charming 1930s version of "infotainment."

This small interfaith chapel lies not far from the rim of the Grand Canyon.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

An ode to "The Queen of Appalachia."

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

Mile-long cave system near Great Smoky Mountains.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

This hotel was used during the Manhattan Project to house official visitors.

Once a gas station, this flightless airplane beside the Old Dixie Highway now houses a barbershop.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

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

The fine fabric handwoven at Biltmore Industries was once coveted around the world.

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