This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

An oddity shop inspired by the history of the circus.

This abandoned hospital is one of the most haunted places in Costa Rica.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

This recipe is set in stone.

A B.Y.O.B. Mexican cantina lives inside one of the last tortilla factories in Brooklyn.

A way to take your secrets to someone else's grave.

One of only two remaining Victorian-era greenhouses in New York.

This small, hidden cove is home to abandoned boats.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This liminal destination combines creaky carnival rides, a classic car museum, and luck-of-the-draw flea market finds surrounded by dust and drive-in movie screens.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

This series of Scottish caves has no clear purpose other than baffling historians.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

The remains of a 19th century spring, and the site of an infamous unsolved murder.