Elvis's own personal tropical hideaway.

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

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

A spiritual vortex among the red rocks in Sedona.

Semi-recognized center of the world, with many oddities.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

One of the largest private collections of fossils in the world.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

See the computer’s history revealed over the course of 20,000 years.

At 11,500 feet in elevation, there is no toilet in the state closer to the sky than this one.

An obscure waterfall that looks like something out of a fantasy novel.

A grove of "candelabra redwoods" deep in California's Lost Coast.

On the Oregon coast there is a natural hole that seems to be draining the sea.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This rare, carefully curated collection showcases the history of neon inside a grandiose Elks lodge.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

One of the last socialist halls still standing in the United States.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

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

The rocks of a certain area of Butte, Montana give off a musical ring when hit.