Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

According to legend it was a nap taken under this tree that kicked off the California Gold Rush.

The only United States mine for magnesium carbonate has been operating continuously since the 1930s.

This skyscraper once housed weapons during the revolution and was the scene of two brutal crimes that shocked São Paulo society.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Steep canyon walls hide a forested oasis in the West Texas desert.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

An unprepossessing storage reservoir in southern Utah has a checkered past.

A large, remote national monument highlights the typical geologic structure seen in Nevada.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

America's first federal monument.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.