It’s thought around 40% of present-day US citizens can trace at least one of their ancestors back to Ellis Island.
When British settlers arrived in America in 1607, they chose Jamestown as their first permanent colony.
Williamsburg became the capital of Virginia in 1699 following the burning of the former capital, Jamestown.
Thought to have been built in about 1675, it was the residence of Judge Jonathan Corwin, who oversaw many of the witch trials in 1692.
Indigenous Puebloans erected it between 1200 and 1275 in Native alcove in Mesa Verde National Park.
With its meandering curves and curls, Serpent Mound is the largest surviving prehistoric effigy mound in the world.
Adobe – a construction material made from earth, water and straw – forms the building blocks of Taos Pueblo.
Established in 1718, the Alamo started life as a mission for Spanish settlers and Indigenous converts.