London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This elaborate towering structure was once famed for its revolutionary height.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Century-old shop, specializing in Occult products.

One of the indelible moments of the American Revolution took place at this location.

Statue commemorating the use of ether in anesthesia.

The Boston square dedicated to the dark poet who was born nearby.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A strip of modern stores in historic buildings.

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

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

A Manhattan office building is home to the world’s largest chess board.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

A hidden architectural treasure in New York's Brooklyn.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The 28-foot granite map plots the locations of 40 theaters in New York City.