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

A star fort along the C&O Canal in western Maryland that protected America in three wars.

An abandoned stretch of highway, deteriorating next to the operational one.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Home to items never before seen by the public.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Bizarre Cavern.

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

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.