Giftshop catering to cryptozoologists and anyone with a sense of humor.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Home to items never before seen by the public.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

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

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Creaky dinosaurs grow in the backroads of Monmouth County, New Jersey.

Try not to get slimed in Tribeca.

Lie in a hammock where George Washington stood.

Elevated freight railway turned wildly successful urban park.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Series of storm drains connected to a dark urban legend.

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