A monument to the art of slicing people open.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

This bridge is haunted by the ghost of a distraught mother.

An Irish Memorial commemorating those who perished due to potato blight.

The oldest surviving botanic garden in the United States.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

Where America's first doomsday cult awaited the end of the world.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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

A rare view of a preserved Victorian science museum.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A collection of full-size movie monsters opened to the public.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

This quirky curiosity shop takes its cues from the world's bazaars.

The remains of a chapel created for convenience.

Settled in 1696, abandoned after the Revolutionary War.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.