Designated as an Underground Railroad research site.

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

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

This striking Victorian Home with its 113-foot turret is best known as the site where abolitionist John Brown was executed in 1859.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

This might just be the TARDIS of bookstores.

Pennsylvanian mass grave and possibly mass murder.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A failed piece of Orientalism has become the proud symbol of a community.

At the end of a street is a statue with no indication as to why it was created.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

A well-preserved example of an early industrial operation in the northeastern United States.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

A historic coal mine that doubles as a museum and tourist attraction.

A mysterious, abandoned Chinese building in Mexico pays homage to the area's East Asian immigrants.

Beach instrument turned bed and breakfast.

An island graveyard with spectacular views of the Caribbean.

A "house to which to flee" for settlers in colonial Pennsylvania.