An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

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

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

This is the spot where the bloodiest battle in the American Civil War may have started.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

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

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

An eponymous directional signpost erected by the first president of the United States.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Home of the golf club used by Alan Shepard on the moon, and more artifacts from the sport's history.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

Amazingly, this old machine within the Resorts Casino still functions.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

This airfield is home to a number of retired vintage planes in various states of disrepair.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.