This monument remembers the first Japanese Americans forcibly relocated during World War II.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This natural marble cave is one of only five national monuments in Oregon.

A series of five defunct panopticon prisons in Cuba.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

A much-maligned monument to teetotalism.

This lovely pocket park is one of the most under appreciated in D.C.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The longest continuous lava tube in Oregon.

Tiny observatory made big contributions to the study of the Earth's motion.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

An overgrown garden stands as a grim marker of an unrealized dream.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

Each winter this underground cave forms a dazzling ice palace.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Though the name might suggest otherwise, this is an American cemetery.

Towering basalt columns, a creation of fire and ice.

Oregon's unexpected high desert, displaying layers of time in a colorful show.