The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This cheese shop also houses a museum devoted to Dutch dairy.

A crumbling hospital from the 1850s on Roosevelt Island.

An alchemist's "magic door" stands in the middle of a Roman park.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A museum dedicated exclusively to aircraft used in the military.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Acres of English cottage gardens, unexpectedly nestled in a Cleveland suburb.

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

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

An unassuming 13-acre park is home to over 12,000 roses.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

An office built to look like a giant basket.

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

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

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Deep scars on the earth left by the Ice Age.