Green means I’ve visited the site. At the moment (list updated November 2017) I’ve visited 1/10 (cultural), 1/2 (natural) and 0/1 (mixed) sites. Between parentheses is the year of inception.
Cultural (10)
- Cahokia Mounds State Historic Site (1982)
- Chaco Culture (1987)
- Independence Hall (1979)
- La Fortaleza and San Juan National Historic Site in Puerto Rico (1983)
- Mesa Verde National Park (1978)
- Monticello and the University of Virginia in Charlottesville (1987)
- Monumental Earthworks of Poverty Point (2014)
- San Antonio Missions (2015)
- Statue of Liberty (1984)
- Taos Pueblo (1992)
Natural (12)
- Carlsbad Caverns National Park (1995)
- Everglades National Park (1979)
- Grand Canyon National Park (1979)
- Great Smoky Mountains National Park (1983)
- Hawaii Volcanoes National Park (1987)
- Kluane / Wrangell-St. Elias / Glacier Bay / Tatshenshini-Alsek (1979,1992, 1994)
- Mammoth Cave National Park (1981)
- Olympic National Park (1981)
- Redwood National and State Parks (1980)
- Waterton Glacier International Peace Park (1995)
- Yellowstone National Park (1978)
- Yosemite National Park (1984)
Mixed (1)
- Papahānaumokuākea (2010)