Visiting abandoned towns can be hazardous for a number of reasons, including crumbling structures and guards who will shoot trespassers on sight. But some ghost towns have toxic legacies due to chemicals, radiation, or even biological weapons.
Barboursville Ruins in Barboursville, Virginia. (photo + submission by monicalewinski) This house belonged to a former governor of Virginia. The house was designed by Thomas Jefferson and built in the.