Independence National Historical Park
Designated - · Bortle 8.0
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Certified International Dark Sky Places. Search above, or browse by state and country from the homepage.
Thomas Edison National Historical Park
Designated - · Bortle 8.0
Home of Franklin D. Roosevelt National Historic Site
Designated - · Bortle 7.0
Eleanor Roosevelt National Historic Site
Designated - · Bortle 6.0
Theodore Roosevelt Inaugural National Historic Site
Designated - · Bortle 8.0
Theodore Roosevelt Birthplace National Historic Site
Designated - · Bortle 9.0
Harriet Tubman National Historical Park
Designated - · Bortle 5.0
Women’s Rights National Historical Park
Designated - · Bortle 5.0
Weir Farm National Historical Park
Designated - · Bortle 6.0
Roger Williams National Memorial
Designated - · Bortle 8.0