An eerie, decaying ghost town destined to fade into the forest.

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.

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

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

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.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.