Agricultural History Farm Park

A turn-of-the-century Montgomery County farm, with animals and a working sawmill.

18400 Muncaster Road, Derwood
(301) 948-5053
Open year round. Call or check website for details.

Beall–Dawson House

Constructed in 1815 as a residence for the Beall family and now home to the Montgomery County Historical Society. The Stonestreet Museum of 19th-Century Medicine, an outfitted office of a country doctor in the mid-1800s, is also on the site.

103 West Montgomery Avenue, Rockville
(301) 762-1492
Wednesday – Sunday, noon to 4pm.

Blockhouse Point

Walk in the footsteps of Civil War soldiers in this undeveloped conservation area dedicated to environmental preservation.  The area was the site of an 1862 Union outpost camp and blockhouse (no longer standing) used to guard the Potomac River crossing from Confederate attack.

15000 River Road, Potomac
(301) 563-7531
Call for details on guided hikes.

Boyds Negro School

This one-room wooden building served as the only public school for African American children in the Boyds area from 1895-1936.

19510 White Ground Road, Boyds
(301) 461-4646
The last Sunday of the month from 2-4pm, April through October, and by appointment.

Button Farm Living History Center

A living history farm portraying 1850s plantation life and an heirloom garden.

Open House Saturdays cancelled for August 2015 due to construction; will reopen after Labor Day.

16820 Black Rock Road, Germantown
(301) 916-7090
Open the first weekend in April through the first weekend in November, noon to 4pm.

Clara Barton National Historic Site

The home Clara Barton, the founder of the American Red Cross, for the last 15 years of her life; built in the “Steamboat Gothic” Victorian architectural style.

5801 Oxford Road, Glen Echo
(301) 320-1410
Open year round, the house is shown by guided tour only, running on the hour from 10am to 4pm daily.

C&O Canal National Historical Park

Canal Quarters

A joint venture between the C&O Canal Trust and the C&O Canal National Historical Park, Canal Quarters welcomes visitors to stay overnight in historically refurbished lockhouses on the canal.  Six lockhouses have been restored and furnished to represent a different era of canal operation. Visitors will find historic photographs, maps and books in each lockhouse, turning a visit into an interpretive experience. You can book a room online and immerse yourself in the history of one of the nation's busiest commericial waterways.

(301) 714-2233

Great Falls Tavern

The visitor center and museum, located beside restored Lock 20, was built in 1828 as a lock tender’s house and later converted to an inn.  Travel along the canal in a restored canal boat or hike the park’s trails and see the great falls of the Potomac River.

Borrow a Bike for Free: Bike loaner program has been expanded to Great Falls. Bikes and helmets can be signed out for up to two hours for visitors to enjoy the canal from a different perspective. Available on Saturdays, Sundays and holidays from 10:00 am to 4:00 pm. 

11710 MacArthur Boulevard, Potomac
(301) 767-3714
Open year -round, 9am-4pm daily

Edwards Ferry & Lockhouse 25

A well-used crossing point on the Potomac between Montgomery and Loudon Counties, in 1863 75,000 northern troops crossed on pontoon bridges on their way to Gettysburg.  Site of Lockhouse 25.

River Road and Edwards Ferry Road, Poolesville
(301) 714-2233
Open year round.

Gaithersburg Community Museum

Located in the restored 1884 B&O Railroad Station featuring exhibits on the city’s history and the commuter/excursion trains that have served the community.

9 South Summit Avenue, Gaithersburg
(301) 258-6160
Thursdays-Saturdays, 10am to 2pm and by appointment.

Glen Echo Park for Arts and Culture

In 1891 Glen Echo was a Chautauqua retreat and then operated as an amusement park from the early 1900s until 1968.  It is home to a beautifully restored 1921 Dentzel Carousel with 52 hand-carved animals.  Glen Echo Park Partnership for Arts and Culture oversees numerous art, history, and recreation programs in this outstanding setting.

7300 MacArthur Boulevard, Glen Echo
(301) 634-2222
There are many activities taking place at the park during different hours, please check their website for specifics.

Glenview Mansion

An early 20th century estate, Glenview is listed on the National Register of Historic Places.

603 Edmonston Drive, Rockville
(240) 314-8660
Check website or call for information.

Harper Cabin at Brookside Nature Center

This restored mid-19th century log cabin and homestead represents how many newly emancipated African Americans lived in the late 1800s.  Brookside Nature Center is open Tuesday through Saturday, 9am to 5pm; Sunday 1-5pm.  Call to confirm program hours of operation at Harper Cabin.

1400 Glenallan Avenue, Wheaton
(301) 962-1480

Hyattstown Mill Arts Project

The mill was reconstructed in 1918 after a fire destroyed the original structure dating to the 1790s and is currently home to a wide variety of arts-related programs and activities.

14920 Hyattstown Mill Road, Hyattstown
(301) 830-1142
The Mill Gallery is generally open from 10am to 4pm on weekends; please call ahead to be sure that it is open.

International Latitude Observatory

The observatory was built in 1899 as part of an international project to measure the earth's "wobble" on its polar axis.  It operated until 1982 when computerization made manual observation obsolete.

100 DeSellum Avenue, Gaithersburg
(301) 258-6350
Call for facility hours.

John Poole House and General Store Museum

A one-room log trading post built in 1793 that was enlarged several times and in 1810 served as the area’s first post office.

19923 Fisher Avenue, Poolesville
(301) 972-8588
The site is open by appointment, and other days by chance. Please call ahead to be sure that it is open.

Josiah Henson Park

The property, part of the Riley farm where Rev. Josiah Henson was enslaved from 1795-1825, is undergoing restoration. Henson's 1849 autobiography inspired Harriet Beecher Stowe's landmark novel, Uncle Tom's Cabin.

11420 Old Georgetown Road, North Bethesda
(301) 650-4373
Check website for periodic public events.

King Barn Dairy MOOseum

The 1930 dairy barn is a museum telling the story of dairy farming and farm families in 20th century Montgomery County.

18028 Central Park Circle, Boyds
(301) 528-6530
See website for details.

Latvian Church and Museum

Exhibits on Latvian history and culture.

400 Hurley Avenue, Rockville
(301) 340-1914
Sundays, 1-3pm, and by appointment.

Monocacy Aqueduct on the C&O Canal

A seven-arched, 500-foot aqueduct built in 1833 which withstood multiple attacks during the Civil War.

39°13′25″N 77°27′7″W,
Open year round.

Monocacy Confederate Chapel and Cemetery

Established in 1747 as an Anglican chapel in whose cemetery fallen Confederate soldiers lie buried.

Route 28 and Route 109, Beallsville
Cemetery is open year round.

National Capital Trolley Museum

Established in 1959 to preserve and interpret the history of area electric street cars.

1313 Bonifant Road, Colesville
(301) 384-6088
Saturday and Sunday, noon to 5pm.

Oakley Cabin African American Museum and Park

Built in the 1800s as one of three tenant dwellings, the cabin was the center of an African American roadside community from Emancipation well into the 20th century.

3610 Brookeville Road, Olney
Open for free tours from noon to 4pm on the second and fourth Saturday of the month, April to early November. Tours by appointment by calling 301-650-4373.

Olney Theatre Center

A 14-acre theatrical arts campus dating back to 1939 featuring a professional award-winning regional theater.  Check website or call for showtimes and special programs.

2001 Olney-Sandy Spring Road, Olney,
(301) 924-3400

Poolesville Museum

This recently restored 1907 bank building and former town hall, an iconic structure in the center of Poolesville, hosts rotating exhibits and programs.

19933 Fisher Avenue, Poolesville
(301) 972-8588
Call for information.

Red Brick Courthouse

The third courthouse on this sight, the building was constructed in 1891 to house all county government functions.

29 Courthouse Square, Rockville
(301) 762-0096
Monday-Friday 9am-5pm and by appointment.

Sandy Spring Museum

Established in 1981 to preserve the area’s agricultural heritage and Quaker tradition.  The main Exhibit Hall is a post and beam construction reminiscent of barns and out buildings of the Quaker farms. The Museum is now hosting Salon Lunches every Wednesday afternoon from Noon to 1:00 PM. Bring a bag lunch to join friends and neighbors to the salon-syle discussions with a different topic each week.

17901 Bentley Road, Sandy Spring
(301) 774-0022
Wednesday-Saturday, 10am to 5pm; Sunday noon to 5pm

Sandy Spring Slave Museum

A collection of historical art and artifacts on African and African American heritage.  Tour the African hut arts pavilion, cross-section of a slaving clipper ship, and log cabin.

18524 Brooke Road, Sandy Spring
The museum is open by appointment only; contact

Seneca Aqueduct/Riley’s Lockhouse

A scenic aqueduct and lock/lockhouse along the C&O Canal.

Seneca Aqueduct, Poolesville
(301) 983-0825
Open year round.

Seneca Schoolhouse Museum

The Schoolhouse was built in 1865 of Seneca sandstone and operated as a one-room schoolhouse until 1910.  A carefully researched 19th-century school day program is taught by a trained and costumed teacher.

16800 River Road, Poolesville
(301) 972-8588
Open year-round for scheduled school field trips; please see their website or call for details.

Silver Spring B&O Railroad Station

An award-winning restoration of a 1945 railroad station.

8100 Georgia Avenue, Silver Spring
(301) 495-4915
First Saturday of the month

St. Paul Community Church

The heart of a freed slave community dating to the late 1800s.

14730 Sugarland Lane, Poolesville
(301) 717-9304
By appointment only

Town of Brookeville

Stroll through this quaint town including the Brookeville Academy (circa 1810) and the recently restored 19th-century one-room schoolhouse.

Georgia Avenue and Market Street, Brookeville
(301) 570-4465
Call for information

Underground Railroad Experience Trail Hikes

A 2-mile trail winding through woods and fields to Sandy Spring believed to have been part of the historic Underground Railroad.  Join volunteer "conductors" on guided hikes along the simulated Underground Railroad trail on Saturdays, April - November.

16501 Norwood Road, Sandy Spring
(301) 650-4373
Guided hikes April through early November. Check website for times.

Whites Ferry

A unique cable ferry crossing the Potomac every 20 minutes, a short distance downriver from White’s Ford, where J.E.B. Stuart’s cavalry crossed during the Civil War.

24801 Whites Ferry Road, Dickerson
(301) 349-5200
The ferry operates daily 5am to 11pm, weather permitting.