Yale University's home for rare works, including the mysterious Voynich Manuscript.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

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

The graves of a Connecticut family thought to have been plagued by a vampire.

This giant seated Bhudda of Healing dates to the 1780s.

Townhouse facade doubles as an RMS Titanic Memorial.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Statue of a decomposing prince that once held his heart in its hand.

Possibly the world’s easiest Easter-egg hunt.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Russian Orthodox church built on an Antarctic island.

A remarkable geological formation resembling a forest made of stone.

These ancient sacred grounds granted amnesty to those who managed to reach them.

The remains of a 12th-century chapter house in Golden Gate Park.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

A village on the east coast of England that has almost completely eroded into the North Sea.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.