#1.
Conowingo MD 21918, United States of America
Inscription. A Susquehannock Indian fort located at this point was an important factor in the boundary line controversy between Lord Baltimore and William Penn in 1683. , Erected by Maryland Historical Society. , Location. 39° ... More on HMDB

#2.
Conowingo MD 21918, United States of America
Inscription. Near Pilot, two and one-half miles northwest of this point, lies the site of a Susquehanna fording used by Indians before the coming of the white man. By 1695, a barge provided ferry service to the colonists. The Conowingo ... More on HMDB

#3.
across Northeast Creek N
View from Rt. 272; 119-ft. red wooden bridge built circa 1860. Recent restorations have helped maintain its beauty. More on Search.visitmaryland.org
(Gilpin Falls, 119', 1860, closed to motor traffic, rebuilt 2009, 20-07-01) across Northeast Creek N. of North East , Cecil County, MD. MD272 N. 3.0 miles from jct with US40 on the N. side of North... More on dalejtravis.com

#4.
Concord & Lafayette Street Havre de Grace, MD 21078
Built in 1827, the Concord Point Lighthouse is the second oldest tower lighthouse on the Chesapeake Bay and the oldest continuouse lighthouse in Maryland. It is located where the Susquehanna River... More on Harfordmd.com
Oldest continuously operated lighthouse in Maryland. Fully restored. More on Search.visitmaryland.org

#5.
Havre de Grace MD 21078, United States of America
Inscription. Old Post Road Established 1666. Public Ferry ordered established by the Council of Maryland 1695 for travel between north and south. General Washington and many notable men used this f... More on HMDB
Inscription. Old Post Road Established 1666. Count Rochambeaus troops camped here September 9, 1781 after having crossed the Susquehanna River on their way to the siege of Yorktown, Va. , Erected ... More on HMDB

#6.
Havre de Grace MD 21078, United States of America
Inscription. Listen, and you can almost hear the jazz music and smell the roasting duck. Edward F. Piersol conceived the idea for the Bayou Hotel and was the first owner. The hotel, considered lavish for a small town was built with ... More on HMDB

#7.
Perryville MD 21903, United States of America
Inscription. On April 18-19, 1861, a week after the bombardment of Fort Sumter, South Carolina, Confederate sympathizers attacked U. S. Army forces en route to Washington in Baltimore, 35 miles southwest of here. On the second day ... More on HMDB

#8.
Perryville MD 21903, United States of America
Inscription. To present log wing, believed built in 1735, George Gale added fieldstone section c. 1781. Further additions to house were made in 19th century. Gale, born in Somerset County in 1756, served in Continental Army during ... More on HMDB

#9.
Havre de Grace MD 21078, United States of America
Inscription. Instead of following the slope of the land, as rivers and streams do, a canal periodically takes a vertical step between long stretches of flat water. Locks were constructed at each vertical step to accomplish moving ... More on HMDB

#10.
Perryville MD 21903, United States of America
Significance: Being the first iron furnace in Maryland and one of the first in the country, the Principio Furnace, along with the other holdings of the company, gave impetus to the growth of an iro... More on Mht.maryland.gov
Inscription. A leading iron producer during the Colonial period, Principio held Marylands first blast furnace, operating 1725, and first refinery forge, constructed 1728. After the American Revolut... More on HMDB
