Six Flags Discovery Kingdom - Vallejo, California

Kenilworth Park and Aquatic Gardens - Washington, District of Columbia

The Adventure Park at Sandy Spring - Sandy Spring, Maryland

Algonkian Regional Park - Sterling, Virginia

Ellanor C. Lawrence Park - Chantilly, Virginia

The Yards Park - Washington, District of Columbia

Sugarloaf Mountain - Dickerson, Maryland

Clemyjontri Park - McLean, Virginia

parc historique national de Harpers Ferry - Harpers Ferry, West Virginia

Wheaton Regional Park - Silver Spring, Maryland