Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

An unusual library of dead things at the Rhode Island School of Design.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This homegrown adoption center offers a wonderland of feline companionship.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

More than five miles of underground passageways.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Home of an evil witch famous within southern folklore.

These lush botanical gardens employ the most purrfect pest control force.

America's first serial killer rests in anonymity.

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

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

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

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Behold the rickety wooden glory of the world's oldest operating roller coaster.