Governor's mansion on hilltop in what is now downtown Des Moines.

The capitol and seat of the state's legislative branch of government.

Commemorates notable Black teacher Virginia E. Randolph (1874-1958).

Bowl stadium, model for Rose Bowl and others. Home of the Bulldogs and The Game.

Building designed by Dankmar Adler and Louis Sullivan.

Home of Denmark Vesey.

The B-Reactor at Hanford Site, Washington, was the first large scale plutonium production reactor ever built. The project was commissioned under the Manhattan Project, during World War II, to develop the first nuclear weapons.

This 1880s Shingle style home by H. H. Richardson was one of his last commissions, and the best surviving example of his works in that style. The house's residents included Harvard University professor and historian John Fiske.

Artists' haven, now a historic inn.

An image of the Natchez National Historical Park.

The only publicly owned amusement park in the U.S.; rides and attractions were designed in the Art Deco style.

An image of the S. Bridge, National Road.

An experimental corn field.

Fort Phil Kearny was an outpost of the United States Army that existed in the late 1860s in present-day northeastern Wyoming along the Bozeman Trail.

A stone house where George Washington stayed during the United States Revolutionary War, it was later the site of the wedding of Aaron Burr and Theodosia Prevost. Now a museum.

This site, located on the central coast of Maine, encompasses fortifications and colonial communities dating back before King William's War in the 1690s.

District includes Jefferson's original "academical village" and the Rotunda.

The world's first operational nuclear-powered submarine.

This archaeological site was occupied by the Apalachicola and Yuchi tribes. During the 17th century, the Apalachicola tribe allied with the Spanish in Florida against the English in Carolina and were ultimately destroyed as a culture....

Geologist David White of the United States Geological Survey lived in this house from 1910 to 1925. His researches into the distribution of petroleum resources became essential to the oil industry.

A private plantation in the hands of the Eyre family since 1668.

The oldest building at Princeton University and the largest in New Jersey when it was built in 1754. It served as the home of the American government from July to October 1783.

Site of early Native American settlement.

An image of the Edward D. Libbey House.