The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The land is home to swimming ponies and a legendary 18th-century treasure.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Bizarre Cavern.

A monument marks the location of the first successful steamboat demonstration.

A local prank turned town icon.

Time travel with sweets across history at this research-based candy store.

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

One of the only memorials dedicated to journalists who died in combat.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

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.

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.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.