The empty tomb that houses the memories of Roy Bertelli's revenge.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This stately clubhouse has showcased German-American culture for over a century.

A park where you can watch the highway zoom past.

The world's longest known cave system.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Marine fossils from the Devonian period are exposed at this park.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

An abandoned theme park with a strange and tumultuous past.

One of the few surviving "Wigwam"-themed motels.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Take in some Air Force history—and ogle some beautiful planes—at this little-known park near Myrtle Beach’s seashore.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

Dedicated to the "King of Soul."

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

A motel dedicated to Southwestern nostalgia.

These free-roaming horses were once destined to disappear from the land.