Arlington Cemetery exhibit dedicated to death and grieving.

Century-old shop, specializing in Occult products.

The largest collection of Frazetta originals in the world.

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

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

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Step into a pastel time capsule where candy is truly dandy.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

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

The Home and murder site of the witch of Rehmeyers Hollow.

America's first serial killer rests in anonymity.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Yo, Adrian!