The remains of a 19th century spring, and the site of an infamous unsolved murder.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

Former hotel turned into haunted playground.

All of Chicago's wood-paved streets are long gone but two alleys remain.

These abandoned grain silos and tunnels are an urban exploration dream.

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

The history of radiation is on safe display at the foot of a radiation science laboratory.

This museum houses an imposing skeleton army comprised of creatures great and small.

The largest collection of Frazetta originals in the world.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The graffitied ruins stand hidden within the Pennsylvania woods.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

The first of Lancaster's "rural cemeteries."

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

The abandoned coal loading dock is a canvas for unsanctioned art.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The only recreation of William Shakespeare's indoor playhouse.

An overgrown garden stands as a grim marker of an unrealized dream.

This estate on the banks of the James River was home to a Founding Father, two presidents, a famous bugle melody, and what some say was the actual first Thanksgiving.