- The list below includes 448 free or cheap things to do in or near Gaithersburg, Maryland, including 123 different types of inexpensive activities like Bowling, Mini Golf, Movie Theaters and National & State Parks.
 - From Seneca Creek State Park to Bohrer Park At Summit Hall Farm, there are a variety of budget-friendly attractions in Gaithersburg and in nearby cities within 25 miles like Washington, Arlington, Silver Spring and Frederick.
 
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        20.5 Miles 
    
    
        
        
            Blenheim, a historic home completed just before the Civil War, is now a museum and shows reenactments for tourists. Restoration efforts produce authenticity of the home, especially the graffiti and writings on the walls from the soldiers of war.        
    
    
        20.5 Miles 
    
    
        
            
        
                                    70%
                10 votes
                            
			
            
                
                10045 Baltimore National Pke, Ellicott City, MD 21042
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            Centennial Que & Karaoke Club offers private karaoke rooms with a large variety of Korean, Japanese, and English songs. Karaoke rooms feature couches, TVs and two microphones but patrons can also remain in the main area and play billiards.        
    
    
        20.5 Miles 
    
    
        
        
            As a significant site for the early settlers of the region, Sully Historic Site consists of a main house, visitor center, and other historical buildings. Visitors can take a group tour of the main house with a guide.        
    
    
        20.6 Miles 
    
    
        
        
            Ox Hill Battlefield Park is a historical park, as it was the setting for the only major Civil War battle of Fairfax County. Kiosks throughout the park teach visitors the history as they stroll through this peaceful area.        
    
    
        20.6 Miles 
    
    
        
            
        
                                    44%
                48 votes
                            
			
            
                
                9161 Commerce Center Drive, Columbia, MD 21046
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            A 14-screen movie theater, UA Snowden Square Stadium 14 displays first-run feature films using digital projection and RealD 3D. The theater offers stadium seating, a game room, mobile ticketing and a concession area with food and drinks.        
    
    
        20.6 Miles 
    
    
        
            
        
                                    100%
                2 votes
                            
			
            
                
                3538 Sleepy Hollow Road, Falls Church, VA 22041
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            Featuring a 25 meter lap pool, Sleepy Hollow Recreation Association Pool offers visitors a chance to cool off in the sun or attend a competitive swim meet. On Thursdays, the facility hosts a float night with inflatable toys.        
    
    
        20.7 Miles 
    
    
        
            
        
                                    76%
                67 votes
                            
			
            
                
                700 Army Navy Drive, Arlington, VA 22202
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            Group and walking tours take visitors through an exploration of the effects and lifecycles of illegal drugs, and the history of the country's Drug Enforcement Agency, at the DEA Museum & Visitors Center.        
    
    
        20.7 Miles 
    
    
        
            
        
                                    98%
                2836 votes
                            
			
            
                
                14390 Air and Space Museum Pkwy, Chantilly, VA 20151
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            Two huge hangars compose the Smithsonian National Air & Space Museum Steven F. Udvar-Hazy Center. Thousands of aviation and space artifacts are on display such as a Concorde and the space shuttle Discovery.        
    
    
        20.7 Miles 
    
    
        
        
            There are 15 galleries which make up the National Firearms Museum. Guns that date form 1350 form the oldest pieces in the collection while present-day firearms are also put on display.        
    
    
        20.7 Miles 
    
    
        
            
        
                                    93%
                181 votes
                            
			
            
                
                National Air & Space Museum, 14390 Air & Space Museum Parkway, Chantilly, VA 20151
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            The historic Steven F Udvar-Hazy Center is a museum that displays thousands of aviation and space artifacts. The museum is best known for being the home of the Lockheed SR-71 Blackbird and the Discovery space shuttle.