The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Check out the underground party scene at the "Burning Man of Brooklyn."

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A former telephone box found new life as a photo booth and charity fundraiser.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Public access to clean drinking water was an instant hit among the masses.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Abstract dinosaur models in London.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

An artistic tribute to the famous singer, just around the corner from where he was born.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This 1920s Dutch barge is now a floating bookstore.