The Statue of Liberty National Monument and Ellis Island Immigration Museum are managed by the National Park Service and are in both the states of New York and New Jersey. They are joined in the harbor by Governors Island National Monument, in New York. Historic sites under federal management on Manhattan Island include Castle Clinton National Monument; Federal Hall National Memorial; Theodore Roosevelt Birthplace National Historic Site; General Grant National Memorial ("Grant's Tomb"); African Burial Ground National Monument; and Hamilton Grange National Memorial. Hundreds of private properties are listed on the National Register of Historic Places or as a National Historic Landmark such as, for example, the Stonewall Inn in Greenwich Village as the catalyst of the modern gay rights movement.

What body administers the Ellis Island Immigration Museum?