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

Witness these plains giants that nearly became extinct in the late 1800s.

Chase waterfalls, hiking trails and more.

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

Feel what it would have been like to live in Gettysburg during the pivotal Civil War battle.

Experience the pivotal Civil War battle at this interactive museum.

Blossom has blossomed from a dairy advertising effort into a community mascot near Sligo, Pennsylvania.

This museum pays tribute to the largest group in the Iroquois Confederacy.

Remember and reflect at this 9/11 memorial site.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The crash of this great airship signaled the beginning of the end for dirigibles.

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The failure of one component toppled this entire bridge during rush hour.

This schoolhouse for Black American children is one of the oldest remaining in southeastern Ohio.

The site of the one and only battle of Lord Dunmore's War.

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

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The first burial place of the Harmonist Society, a utopian community for which the surrounding town of Harmony is named.