A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The legendary building that needed ghostly approval before being built.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Hear the tales of New York's most notorious criminals.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Museum dedicated to the terror regimes of Hungary.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Lie in a hammock where George Washington stood.

Visit the monolithic tomb of America's most famous general.

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

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Ever wanted the laymen's version of your credit card fine print?

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Salute the leader of the proletariat.

Elevated freight railway turned wildly successful urban park.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.