A grove of colossal man-made flowers built to collect the sun's rays.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A diorama of the Civil War, fought by cats.

A rare view of a preserved Victorian science museum.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

A museum dedicated to exhibiting remarkable outsider art.

Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Scene of the grisly murder of two Norwegian women in 1873.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

One part antique store, one part curiosities hodge-podge.

A 131-year-old wunderkammer of Texas history.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.