All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

This series of landscape dioramas tell the story of New England forestry in exacting miniature detail.

A toxic ghost town sitting atop a massive coal fire.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.