Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

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.

While The Dick Lane Velodrome is Atlanta’s official home of track cycling and Georgia's only velodrome, many are unfamiliar with this community gem.

An abandoned munitions storage facility with a rich architectural history.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The ill-fated plan to reroute the Mississippi so that Union ships could bypass Confederate fortifications on the river bend.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

Tracing a path of more than four miles around a frozen lake, this is the longest skate trail in the United States.