This 11c airmail stamp commemorates the City of Refuge National Historical Park in Hawaii by showing a Kii statue and temple. It is part of the national parks centennial set. See other stamps in the national parks centennial set. Cape Hatteras Wolf Trap Farm Old Faithful Mt. McKinley
This stamp commemorates the Wolf Trap Farm Park.
This stamp commemorates the International Peace Garden in North Dakota and Manitoba, Canada.
This 15c stamp commemorates the 100th anniversary of the U.S. National Parks by showing Mt. McKinley in Alaska. It is part of the national parks centennial set.
This stamp commemorates the 100th anniversary of the U.S. National Parks by showing Old Faithful in Yellowstone. It is part of the national parks centennial set.
