New Jersey
Great places with free admission and / or programs 

Bridgeton Historical District has several free museums 
C.A. Nothnagle Log House free admission
Cape May Bird Observatory free admission, fee for programs 
Cape May County Park Zoo free admission 
Cohanzik Zoo free for individuals and families 
Cooper Environmental Center free admission and programs, donations appreciated 
Discovery Seashell Museum free admission 
Environmental Education Center free admission; fee for programs 
Fort Hancock Historic District free admission; fee for parking 
Fort Lee Historic Park free admission; fee for parking; fee for special events and school programs 
Fort Mott State Park free admission, may be parking fee 
Great Swamp National Wildlife Refuge free admission 
Heritage Glass Museum free admission 
Holmdel Arboretum free admission, fee for some programs 
Hopewell Museum free admission 
Howell Living History Farm free admission, fee for some programs 
James A. McFaul Environmental Center free admission & most family programs; fee for schools 
Kuser Farm Mansion free admission 
Lorrimer Sanctuary free admission; fee for programs  
Medford Leas, Lewis W. Barton Arboretum free admission 
Monmouth Battlefield State Park free admission, may be parking fee 
New Jersey State Museum free to Museum $1.00 for Planetarium 
New Jersey State Police Museum free admission 
Newark International Airport free tours for groups  
Newark Museum free admission & fam. programs; fee for school pgms & planetarium  
Pequest Trout Hatchery free tour, incl. groups  
Princeton Historical Society free admission for individuals & families, fee for some group tours 
Princeton University Art Museum free admission 
Sea Girt Lighthouse free admission, donations appreciated 
State House free admission and tours 
Tenafly Nature Center free admission; fee for programs)  
Tillman Ravine free admission for walk-ins; charge for vehicles  
Twin Lights Historic Site free admission, donations appreciated; may be parking fee 
US Coast Guard Training Center free admission and tour 
Warren E. Fox Nature Center free admission and programs 
Washington Crossing State Park free admission (small fee for Nelson House), may be parking fee 
Weis Ecology Center free use of trails; fee for programs  
Wells Mills Nature Center free admission, fee for some programs