The Customhouse, 1859

Construction of this customhouse began in 1852 and was completed in 1859, replacing an 1819 customhouse located at Water and Church Streets (now Waterside Drive and St. Paul’s Boulevard). This building was designed by Ammi B. Young (1798–1874), the first ...

The Fifth Corps, Army of the Potomac

To commemorate the valor of the Fifth Corps, Army of the Potomac, and in loving memory of its heroic dead this monument has been erected by Major General Daniel Butterfield, U.S.V., its commander on this field December 13th 1862.

Organized July ...

Potawatomi - A Trail of Death

Sandusky Point Encampment

Potawatomi

A Trail of Death

Sandusky Point Encampment

September 17 - 20, 1838

This marker dedicated September 21, 1993

by descendants of the Patawatomi who were forcibly removed from Indiana and marched to Kansas in 1838.

Marker is on North Paris Street, on the ...

Battle of Osawatomie

On the morning of August 30, 1856, John Brown led about 30 antislavery men into battle against 250 proslavery Missourians. This Battle of Osawatomie raged on the site of John Brown Memorial Park.

Local tradition maintains that the statue of ...

Potomac Crossings

Here Lee turned east to the Potomac, crossing at White's Ford, September 6, 1862, in his invasion of Maryland. Jubal A. Early, returning from his Washington raid, crossed the river at White’s Ford, July 14, 1864.

Marker is at the intersection ...

Calmes Tomb

This stone mausoleum was built in family cemetery of “Caneland” plantation by Gen. Marquis Calmes, a friend of Lafayette during Amer. Revolution. Calmes (1755 – 1834), born in Va. of Huguenot ancestry, assisted in laying out Versailles and named it ...

Atomic Mission Hangar 1831

This hangar is the only steel vaulted-roof hangar at the base. Built specifically to house the new B-29 aircraft, it is 200 feet by 228 feet. With offices in the side wooden ‘lean–to’ buildings, there are 53,400 square feet total ...

Peach Bottom Slate Region

Peach Bottom Slate, first used 1734, is the oldest in America. The first commercial cut having been made 1785 by workmen who were primarily Welsh. At the London Crystal Palace Exposition, 1850, Peach Bottom Slate was judged best in the ...

509th Composite Group – First Atomic Bombardment

“The Atomic bomb is too dangerous to be loose in a lawless world ... we pray that (God) may guide us to use it in His ways and for His purposes.”

—President Harry S. Truman, August, 1945.

In Memory. This monument is ...

The Last Confederate Incursion North of the Potomac River

On July 29, 1864, elements of Cole's Maryland Cavalry (Union) battled Brigadier General John C. Vaughn's cavalry brigade of Early's command for three hours in the streets of Hagerstown. By late afternoon, the Marylanders retreated north to Greencastle. That evening, ...