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

A rare view of a preserved Victorian science museum.

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

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

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

World's first "penitentiary," meant to be humane, drove men insane.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

Journey through a collection of over 35,000 Halloween items from all generations.

The ruined remains of a coal mining ghost town are hidden within the woods.

A priceless collection of the Nation's cryptologic history.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

This free, take-a-book shop seems like a trick but isn't.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

The district's only illusionarium supports free writing programs for local students with every purchase.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A historic neighborhood church is reborn as a psychedelic arts collective.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Former villa and estate of James Deering developed to preserve native tropical forests.

Once used to screen films for theater owners to rent, this historic building is now a start up hub.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

This public park was the site of the largest civilian disaster of the Civil War.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.