Ancient human, animal, and geometric figures drawn in the earth.

2300-year-old Roman road connecting the empire.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One-time largest man-made structure in the world will be a park in 30 years.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

Ancient snack bar of the Roman Empire re-opened.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

Underground tunnels remain beneath this abandoned mental asylum.

Rising from the sea like a stone monster.

America's first federal monument.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The first declared National Monument in the United States.

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

Three legendary, living albino buffalo roaming their pastures for all to see.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

This old-fashioned carhop restaurant gave the world the waffle cone.

A comedy troupe's collection of bizarre humor.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.