You've probably seen these distinctive orange-tiled columns on the big screen.

A touching tribute to the "Queen of Soul."

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

Drift through underground caves on a tube.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

Jimi Hendrix's legendary recording studio in Greenwich Village.

This tree is a living witness to the beginning of the Civil Rights Movement.

The largest collection of historic military firearms in the United States.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

What remains of the simple red brick chapel where the women's rights movement began.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

At 207 feet, one of the world's longest continuous escalators.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

The seat of Buffalo government is a gorgeous Art Deco palace.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.