Gutted airplanes slowly decay in a Florida field.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.

"X" marks the spot of an echo chamber in the middle of a plaza.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

A bronze monument to Cleveland's favorite, fastest son.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Just outside the Ohio Supreme Court sits a testament to justice.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

This campus museum commemorates a national tragedy.