Hexagonal roadside structure designed so "The devil would have no corner in which to sit and hatch evil."

This campground and canoe launch is a good place to start a float trip on the Potomac to Oldtown or a bike trip on the C&O Canal Towpath.

A 100-acre park that is part of the Chesapeake and Ohio Canal National Historical Park and is well known for rock climbing, hiking and biking.

Artifacts and historic photos of the C&O Canal and Sharpsburg with direct access to the C&O Canal and country store with snacks.

In 1850, Harriet Tubman's niece, Kessiah, and her two children escaped from the auction block at the front of the courthouse. A National Park Service Network to Freedom site.

Built in 1803, was one of five Quaker meeting houses in Caroline County whose members sustained a local Underground Railroad network.

This visitor center resides in a home that was originally built in 1785 as a one-story structure on a hill overlooking the Potomac River. The charming house was occupied by the Bowles family during the peak of C & O Canal operations. Today it illustrates canal life.

One of Maryland’s largest state parks, which is comprised of more than 18,000 acres.

This marker is part of the Pennsylvania Avenue Trail and provides information on the important role Old West Baltimore churches played in nurturing the surrounding communities and their important activism in the fight for civil rights.