Near the site of the battle of Fallen Timbers, this small park contains a monument honoring Major General Anthony Wayne as well as smaller monuments to the soldiers and Native Americans who died in the battle. The battle of Fallen Timbers on 20 August, 1794, was decisive in bringing the Indians of the Northwest Territory to sign the Treaty of Greene Ville. By this treaty the Indians ceded southern and eastern Ohio to settlers. This brief battle, an overwhelming victory for Wayne's forces, was fought in an area recently ravaged by a windstorm, hence the name Fallen Timbers.

Does not provide specifics about interpretative resources available at the site.

Commonly referred to as Castle Hill, this park is one of the most historically significant sites in Alaska. Tlingit natives originally inhabited this area and built a strategic fortification at this site. Between 1804—1867, Russians occupied this site. In 1867, on top of Castle Hill, Alaska was officially transferred from Russia to the United States. Today, Castle Hill is a state historic site and also designated as a National Historic Landmark. A fully-accessible walkway leads visitors to the top of the hill and provides views of downtown Sitka and the waterfront. Interpretive panels provide opportunities to learn more about the history of this site.

Website does not indicate whether any interpretative services are present at the site, beyond signage.

Fort O'Brien (Fort Machias) was built in 1775 and destroyed by the British in the same year. This state historic site is one of few Maine forts active during three wars—the American Revolution, the War of 1812 and the Civil War. Fort O'Brien's layout was altered several times over the 90 years it was active on this site; but the fort's important role in protecting the Machias River and its towns remained unchanged. It was refortified in 1777 and destroyed once again by the British in 1814. Well-preserved earthworks which overlook Machias Bay were erected for a battery of guns in 1863. The first naval engagement of the Revolution was fought offshore in 1775, five days before the Battle at Bunker Hill.

The site is open to the public.

Website does not specify any interpretive services available at the site.

Fort Kaskaskia State Historic Site preserves the timeworn earthen remains of Fort Kaskaskia, constructed by the French ca. 1759 to defend the town of Kaskaskia. Today's historic site consists of four major sections: the remains of Fort Kaskaskia, Garrison Hill Cemetery, the Mississippi River overlook and picnic area, and a large campground.

Website does not offer substantive information on interpretative services available at the site.

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Located three miles south of Chaffee, this site marks a crossing over Maple Creek on the Pembina Trail, a transportation route for settlers and freight. There is a marker on the site.

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The oldest blockhouse in the United States is all that remains of Fort Halifax at the confluence of the Kennebec and Sebasticook Rivers. English settlers built the fort in 1754 to protect colonial settlements along the Kennebec and it served as a garrison for troops from 1754–1766.

Website does not specify any interpretive services available at the site.

This site marks a base camp established by General Alfred Sully during his 1864 campaign. Rifle pits were dug around the circled wagons but the camp was never attacked; many of the rifle pits are still visible. There is a marker on the site.

The site is open to the public.

Website does not specify any interpretive services available at the site.

Every bit of Oregon is divided into a grid. At several places across the nation, the government established a land survey starting point (called a meridian) and drew the grid lines from there. The Williamette Stone is the starting point for all the land surveying west of the Cascade Mountains in both Oregon and Washington. It's the "zero point" for the Willamette Meridian. After a short walk down a hill in the park, visitors can see, touch, and read about this important marker.

The site is open to the public.

Website does not specify any interpretive services, beyond signage, available at the site.

The National Association for Olmsted Parks (NAOP), established in 1980, is a coalition of design and preservation professionals, historic property and park managers, scholars, municipal officials, citizen activists, and representatives of numerous Olmsted organizations around the United States. Its concern is the legacy of landscape work left by Frederick Law Olmsted Sr. and the firm founded by his sons, Olmsted Brothers Landscape Architects (OBLA).

Appears to be an umbrella organization, not affiliated with a specific historic site.