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Washington Co., Ohio, United States

The 20 most popular sites

Mound Cemetery Mound

Fort Harmar

Rufus Putnam House

Fort Frye

Ohio Company Land Office

The Anchorage or Putnam Villa

Capt. Jonathan Stone House

Washington County Courthouse

Putnam House

The Castle

Marietta Earthworks

Basilica of St. Maryof the Assumption

Coal Run Historic District

Col. Joseph Barker House

Harmar Historic District

Watertown Historic District

Charles Rice Ames House

Marietta Historic District and Increase

Sawyer–Curtis House

Shinn Covered Bridge

Mound Cemetery Mound

Marietta Earthworks

Fort Harmar

Basilica of St. Maryof the Assumption

Rufus Putnam House

Coal Run Historic District

Fort Frye

Col. Joseph Barker House

Ohio Company Land Office

Harmar Historic District

The Anchorage or Putnam Villa

Watertown Historic District

Capt. Jonathan Stone House

Charles Rice Ames House

Washington County Courthouse

Marietta Historic District and Increase

Putnam House

Sawyer–Curtis House

The Castle

Shinn Covered Bridge

Explore all sites (33)

Basilica of St. Maryof the Assumption

Capt. Jonathan Stone House

Coal Run Historic District

Col. Simeon Deming House

Fort Frye

Harmar Historic District

Hildreth Covered Bridge

Jonathan Sprague House

Marietta Earthworks

Mason House

Ohio Company Land Office

Rinard Covered Bridge

Rufus Putnam House

Shinn Covered Bridge

The Castle

Walter Curtis House

Watertown Historic District

Bell Covered Bridge

Charles Rice Ames House

Col. Joseph Barker House

First Unitarian Church Of Marietta

Fort Harmar

Harra Covered Bridge

Hune Covered Bridge

Judge Joseph Barker Jr. House

Marietta Historic District and Increase

Mound Cemetery Mound

Putnam House

Root Covered Bridge

Sawyer–Curtis House

The Anchorage or Putnam Villa

Waernicke–Hille House And Store

Washington County Courthouse

Basilica of St. Maryof the Assumption

Bell Covered Bridge

Capt. Jonathan Stone House

Charles Rice Ames House

Coal Run Historic District

Col. Joseph Barker House

Col. Simeon Deming House

First Unitarian Church Of Marietta

Fort Frye

Fort Harmar

Harmar Historic District

Harra Covered Bridge

Hildreth Covered Bridge

Hune Covered Bridge

Jonathan Sprague House

Judge Joseph Barker Jr. House

Marietta Earthworks

Marietta Historic District and Increase

Mason House

Mound Cemetery Mound

Ohio Company Land Office

Putnam House

Rinard Covered Bridge

Root Covered Bridge

Rufus Putnam House

Sawyer–Curtis House

Shinn Covered Bridge

The Anchorage or Putnam Villa

The Castle

Waernicke–Hille House And Store

Walter Curtis House

Washington County Courthouse

Watertown Historic District