A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

A historic coal mine that doubles as a museum and tourist attraction.

A monument dedicated to a local softball team full of clowns.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This old ruin once served as a post office, a train station, a restaurant, and a bridge to the Atomic Age.

The railroad turning train travel into a cinematic, highly immersive experience has a fascinating connection to Game of Thrones.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

The country’s largest collection of southwestern jewelry, along with contemporary Native American art.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A massive skeleton suspended in the Memorial University of Newfoundland's Core Science Facility.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

Towering basalt columns, a creation of fire and ice.

The world's brightest bioluminescent bay.

This Moab institution functions as both a rock store and a small natural history museum.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.