This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The curiosities and wonders of pharmacy in a delightful historic building.

New York City's smallest piece of private property.

A whimsical village of unique treehouses resides in a Washington forest.

Tour the sci-fi-esque reality of governmental disease management.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

One of only two commuter aerial tramways in the United States.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The ghostly remains of an accidental sea.

Where beautiful signs live on forever.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A dilapidated dock tells the story of Titanic's missed arrival.

Home to items never before seen by the public.

A rare view of a preserved Victorian science museum.

Its buzzing collection honors vibrator history.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A one-of-a-kind collection of a unique medium.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

A museum dedicated to the history and exploration of both popular music and science fiction.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The final resting place of New Orleans' most famous voodoo priestess.