All that remains of one of the Civil War's more deadly POW camps is a simple flagstone.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A sharply wedged sundial marks the point at which each day in the United States begins.

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

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

In which a local geological marvel becomes a quaint roadside attraction.

The trials and tribulations of marking Poe's grave.

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

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.