Lie in a hammock where George Washington stood.

A mass grave for victims of one of the city’s worst fires.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

Step inside Lucy, the world's largest "elephant."

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Mysterious rocks that ring musically when struck.

Arlington Cemetery exhibit dedicated to death and grieving.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

A rare view of a preserved Victorian science museum.

In the early 1800s, surgery was also a show.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Century-old shop, specializing in Occult products.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

One of the world's largest Tesla coils.

A collection of colorful dinosaurs hidden in an actual rainforest.