The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

Home of the only civilian casualty at the Battle of Gettysburg.

This Pennsylvania structure, the oldest building in Gettysburg, was once a stop on the Underground Railroad.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Ancient pueblos built into the base of a natural canyon wall.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

Step back in time while shopping inside this local store.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

On the grounds of this study, Lew Wallace composed "Ben-Hur: A Tale of the Christ" and many other works.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.