Botanical Gardens & Arboreta
American College Arboretum
Chanticleer
Hershey Gardens
Historic Bartram's Garden
Longwood Gardens
Morris Arboretum
Scott Arboretum
Tyler Arboretum
  
Children's Museums
Childventure Museum
Explore & More
Hands-On House
Please Touch Museum
  
Environmental Education / Nature Centers
Churchville Nature Center
Great Valley Nature Center
Hawk Mountain Sanctuary
Honey Hollow Environmental Education Center
John Heinz National Wildlife Refuge
Kings Gap Environmental Center
Mariton Wildlife Sanctuary
Middle Creek Wildlife Management Area
Mill Grove Wildlife Sanctuary
Pool Wildlife Sanctuary
Schuylkill Center for Environmental Education
Silver Lake Nature Center

Ethnic Culture
Afro American Historical and Cultural Museum
American Swedish Museum
Indian Culture, Museum of
Indian Steps Museum
Mennonite Heritage Center
Mennonite Information Center
National Museum of American Jewish History
Pocono Indian Museum
Polish American Cultural Center Museum

Farms, Historical & Interpretive
Amish Farm & House
Colonial Penn Plantation
Quiet Valley Living History Farm
Springton Manor Farm
Winding Brook Farm

Historical Museums, Houses & Sites
1803 House Museum
Agricultural & Industrial Museum
Atwater Kent Museum
Barns Brinton House
Berks County Heritage Center
Betsy Ross House
Brandywine Battlefield
Bucks County Historical Society
Chaddsford Historical Society
Cliveden
Cocalico Valley Historical Society
Cornwall Iron Furnace
Daniel Boone Homestead
Edgar Allan Poe National Historic Site
Elfreth's Alley Museum
Ephrata Cloister
Fireman's Hall Museum
Folk Craft Center & Museum
Fonthill
Fort Hunter Mansion
Germantown Historical Society
Glen Foerd
Glencairn
Grand Army of the Republic Museum
Hans Herr House
Harriton House
Hershey Museum
Hibernia
Historic Rockford & Kauffman Museum
Hopewell Furnace National Historic Site
Hugh Moore Historic Park & Museum
Independence National Park
Independence Seaport Museum
John Chadds House
John Harris Museum
Landmarks Society
Lehigh County Historical Society
Liberty Bell Shrine

Military Museums & Sites
Carlisle Barracks
Civil War Library & Museum
Cut & Thrust Museum
Fort Mifflin
Willow Grove Naval Air Station

Science & Natural History Museums
Academy of Natural Sciences 
Archaeology & Anthropology, Museum of
Franklin Institute Science Museum & Fels Planetarium
Limerick Energy Information Center
North Museum of Natural History
Scientific Discovery, Museum of 
State Museum of Pennsylvania
Wagner Free Institute of Science

Special Interest
Carousel World
Christian C. Sanderson Museum
Christmas Village
Eastern State Penitentiary
Eckley Miners Village
Franklin Mint Museum
Historical Society of Pennsylvania
Huntsdale Fish Hatchery
Mario Lanza Museum
Merritt Doll & Toy Museums 
Mourning Art, Museum of 
Mummers Museum 
Mutter Museum
Pioneer Tunnel Coal Mine
Roadside America
Rough & Tumble Museum
Shofuso: The Pine Breeze Villa 
United States Mint
Watch & Clock Museum
Wax Museum of Lancaster
Weightlifting Hall of Fame

food
Anderson Pretzels
Herr's Foods Factory Tour
Hershey's Chocolate World
Mushroom Museum 
National Apple Museum
Pretzel Museum
Sturgis Pretzel House

caverns
Crystal Cave
Indian Echo Caverns
Lost River Caverns

industry
Crayola Factory
Harley Davidson Motorcycles
Mack Trucks
Martin Guitar Company
Waste Management of Pennsylvania
Wheelabrator Falls

Transportation
Boyertown Museum of Historic Vehicles
Brandywine Scenic Railway
Gast Classic Motor Car Museum
Jem Classic Car Museum
Mid Atlantic Air Museum
Middletown & Hummelstown Railroad
New Hope & Ivyland Railroad
Railroad Museum of Pennsylvania
Stewartstown Railroad
Strasburg Railroad
WK&S Railroad

Villages, Historical & Interpretive
Landis Valley Museum
Rittenhouse Town

Zoos, Petting Zoos, Game Farms
Elmwood Park Zoo
Philadelphia Zoo
Trexler-Lehigh Game Preserve