The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

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

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.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Peek through the gates at this oasis from the city, full of Old English charm.

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

The "Seinfeld" diner.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

His "Lionheart" is entombed separately from the rest of his body.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A museum of carnival attractions where you are invited to ride the rides.

Paris' linguistic guide to the international language of, yes, love.

This 18th-century sundial was designed to calculate the date of Easter each year.

This demon atop the Notre-Dame de Paris looks utterly bored.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

Tucked in the back of this amazing antique store is an important piece of medical history.