This museum sits on the site of a decommissioned military communications base.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

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

An original apothecary from 1792.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Tiny observatory made big contributions to the study of the Earth's motion.

This "castle" is actually a limestone and quartz formation hidden along a trail.

This golfball sized platinum iridium cylinder is the official starting point for all national weight calibrations

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

One of only two sites in the United States containing the remains of Buddha.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.