This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Where infamous mobster and leader of Murder Inc. Albert Anastasia made his home.

Ornate "Renaissance Revival" style building.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

The only rotating bar in New Orleans has been slowly spinning since 1949.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

BDSM, 1930s Style.

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A collaborative art project that transformed a neighborhood in NYC's Queens.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

The first piece of public art dedicated to LGBT rights.

A reminder to choose water over wine since 1888.

Slyly buy a shake in the Parker Meridien lobby.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

One of the only single-person private gravesites in New York City.