Brookeville Woolen Mill and House

Brookeville is a town in Montgomery County, Maryland, located 20 km (12 mi) north of Washington, D.C., and 2 km (1.2 mi) north of Olney. Brookeville was settled by Quakers late in the 18th century and was formally incorporated as a town in 1808. Historically part of the local agricultural industry, Brookeville is now at the northern edge of the densely developed Washington suburbs. The population was 166 at the 2020 census.Brookeville is notable as the "United States Capital for a Day" during the War of 1812, when British troops burned Washington D.C., and President James Madison sought refuge in Brookeville on August 26, 1814. During the American Civil War, Brookeville, along with nearby Sandy Spring, was a stop on the Underground Railroad.

The Brookeville Historic District is a national historic district located at Brookeville, Montgomery County, Maryland. It is located in the crossroads village of Brookeville, with almost all of the houses found along the two main streets, Market and High. The majority of the structures were built before 1900, and range in style from the Federal-style Jordan House to the simple, vernacular cabin known as the Blue House. The houses are built of stone, brick, and frame, and cover a period from 1779 to the 1950s. With the exception of the Post Office and plumbing shop, the town is a residential one. Of particular interest are the many outbuildings and the brick sidewalks.It was listed on the National Register of Historic Places in 1979.

The Brookeville Academy is located in the heart of the Historic District in Brookeville, Maryland, a town located twenty miles (32 km) north of Washington, D.C., and two miles (3.2 km) north of Olney in northeastern Montgomery County, Maryland. It was built in 1810 as one of the first private schools in Montgomery County, Maryland. Now, fully restored, it serves as a unique community center suitable for meetings, social and cultural events. It is located in the Brookeville Historic District, which served as the "Capital for a Day" in 1814 when President Madison had to flee the White House during the British Invasion of the War of 1812.

Triadelphia Reservoir is located on the Patuxent River, in Howard County and Montgomery County, Maryland near the town of Brookeville. The reservoir was created in 1943 by the construction of the Brighton Dam on the Patuxent.

MedStar Montgomery Medical Center, formerly known as Montgomery General Hospital, is a large hospital in Olney, Maryland. The hospital is a member of MedStar Health.

Ohev Sholom Talmud Torah Congregation of Olney, commonly known as OSTT, is an Orthodox synagogue located at 18320 Georgia Avenue, in Olney, Maryland, in the United States.

Brinklow is an unincorporated community in Montgomery County, Maryland, United States. Brinklow is located on Maryland Route 650, 3 miles (4.8 km) northeast of Olney. Brinklow has a post office with ZIP code 20862. It is located within the Ashton-Sandy Spring census-designated place for statistical purposes. The community was named by Hallie Lea, a storekeeper in the late 1880s, most likely for Brinklow in Warwickshire, England.

Clover Hill is a historic home located at Brookeville, Montgomery County, Maryland, United States. It is a large, 2+1⁄2-story, five bay Italianate-style residence principally built about 1857, with evidence of several earlier building campaigns, including a log dwelling from the mid 18th century. The ruins of a large bank barn and a stone springhouse stand on the property. The house was built by Ephraim Gaither, a Maryland legislator (1817–1820) and locally prominent citizen.Clover Hill was listed on the National Register of Historic Places in 1982.

Hawlings River is a 12.9-mile-long (20.8 km) tributary of the Patuxent River in Montgomery County, Maryland. The watershed covers an area of about 28 square miles (73 km2). The waterway was originally called Holland's River. The headwaters of the river originate in the area north of Laytonsville, and the river flows southeast, entering the Patuxent about 1.5 miles (2.4 km) below the Triadelphia Reservoir. Portions of Hawlings River flow through Rachel Carson Conservation Park and Hawlings River Stream Valley Park. Tributaries of the Hawlings River include Mount Zion Tributary, Reddy Branch, Olney Mill Tributary, Gregg Tributary, and James Creek. The river and its tributaries total about 98 miles (158 km) of streams.Before 1769 local residents petitioned the colonial government to build a chapel on the river.

Pleasant Fields is an historic home in Laytonsville, Montgomery County, Maryland. It is also known as the Henry Chew Gaither House.Maryland politicians William Lingan Gaither and Henry Chew Gaither both lived here and are buried on the grounds.The house has a sister house in the vicinity, built by the same builder, Ephraim Gaither. Clover Hill (Brookeville, Maryland)

Olney is a U.S. census-designated place and an unincorporated area in Montgomery County, Maryland. It is located in the north central part of the county, ten miles (16 km) north of Washington, D.C. Olney was largely agricultural until the 1960s, when growth of Washington, D.C.'s suburbs led to its conversion into a mostly residential area. It has a total population of 35,820 as of the 2020 United States census.

Sandy Spring is an unincorporated community in Montgomery County, Maryland, United States.