Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

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

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

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A failed piece of Orientalism has become the proud symbol of a community.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

Steepest flood safety railway in the entire world.

This jail which was in service for over a century is now open for curious visitors.

This park contains a number of standing stones meant to heal and inspire.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A field of nothing but boulders which resembles a giant's gravel driveway.

Narrow gorges and deep pools created by long-ago glaciers.

The graffitied ruins stand hidden within the Pennsylvania woods.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

A winding, cliffside stretch of road overlooking the Delaware River.