Brookside Gardens is a public garden located inside Wheaton Regional Park. It is open for public visits without any charge. Spread across 500 acres (202 hectares), major features of the garden include an aquatic park with ponds and a gazebo, a azalea garden, a butterfly garden and a children’s garden. Some of the other highlights include a dazzling fragrance garden, a Japanese tea house when visitors can sip on a variety of tea, a nature center, a lovely woodland walk, and much more.

Mather Gorge, which is located inside the Great Falls Park, is the narrowest section of the lower stretch of the Potomac River. The gorge, which is just down river from the Great Falls, takes its name from Stephen Mather, the first director of the National Parks Service. Visitors to the park can hike along the steep cliffs of the gorge, or scale the cliffs themselves while rock climbing. The gorge can also be explored by kayak and canoe, though water goers should be aware that the gorge contains Class I to Class IV whitewater rapids.

The creators of Glenstone held three elements above all else when forming this unique gallery: art, architecture, and landscape. The gallery is situated on 200 acres of old foxhunting grounds, and nature plays heavily on the gallery's building and gardens. The gallery houses several contemporary art collections, the main collection of which focuses on post World War II work. To visit the fascinating Glenstone, you will need to reserve a time to visit the gallery, which you can do online, or by calling the gallery. The establishment provides free tours through the gallery, as well as through the outdoor sculpture gardens.

Constructed in the mid-1700s, this Georgian manor was owned by George Mason, a statesman and one of the authors of the U.S. Constitution and the Bill of Rights. Guided tours of the house feature the elaborate interior woodcarvings and period furniture. Outside the house, visitors can walk through formal boxwood gardens, with a view of the Potomac River. Various outbuildings, the kitchen, schoolhouse and laundry room can be seen as well. Visitors can try their hand at archaeological excavation and have a chance to discover original artifacts.