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

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

The Aldie Gristmill was once the largest factory of its kind in Loudoun County.

Dating to 1793, this is the oldest building in Poolesville.

The all-but-forgotten cemetery is Eastern Loudon County's largest African-American burial ground.

The only U.S. Senator to die on the field of battle is buried in San Francisco but memorialized at Balls Bluff Regional Park.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

These hooded graves are the only of their kind in the United States.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

The world's largest fully steerable radio telescope.

A glittering Thai Buddhist temple in suburban Pennsylvania.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

Exact replica of the ancient monument, but much, much lighter.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

The most accurate timepiece in the world.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

This grand gothic brewery has been pumping out suds for over a hundred years.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.