Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The United States Capitol's former columns still stand.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

Built by the patriotic residents of Boonsboro in a single day.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This former fire tower found new life as a communications hub complete with a scenic overlook.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

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

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A rare particle accelerator with a tremendous energy range is tucked away at Ohio University.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Bizarre Cavern.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

The highest point in Maryland is only accessible by hiking through another state.

Locals call this magical moss-covered walkway the "Emerald Path."

One of the oldest living oak trees in the Southeast.