A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

A winding district gerrymandered into the shape of a mantis.

This former asylum for Black Americans is haunted by its history of violence and racism.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

A New England curiosity cabinet, one hundred years on.

Packed with gear and memorabilia, this museum chronicles the history of skiing and how its rise shaped New England.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

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

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

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

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

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

This hidden treasure provides a charming access point along the south side of Baker Park.

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

This general store is more than a century old and home to various oddities and antiques.

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

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

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.