The final resting place of the Hollywood star who came to a tragic end.

Pennsylvania's own Roswell-style UFO mystery.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

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

A daily replay of the experiment that proved the rotation of the Earth.

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

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

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This little museum in the town where zombies were born celebrates the living dead.