This memorial was created by an Irish nurse who lived in New York City during 9/11.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

America's post-nuclear-attack chambers of Congress.

This massive redwood tree has a drive-thru tunnel carved out of its trunk.

Look up from the busy streets to discover how time is kept!

Single runway interrupted by a busy road that cuts across its middle.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

This ceremonial mound is one of the first officially recognized Native American historical sites in North Carolina.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

This hollow steel globe is the second-largest in the world.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

The Ayo Rock Formations stand out on the island of Aruba as a unique arrangement of giant boulders with interesting crawl spaces to explore.

A safe place for the wild donkeys of a hot vacation destination.

In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.