Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A friendly pub with a sordid past in cock fighting.

A totem pole of heads to represent the different stages of life.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

A quirky statue in Bermondsey made by 100 public participants with goggles, chisels, and mallets.

This statue includes the molehill that toppled a king.

The world's oldest optical museum is an odd collection where the exhibits look at you.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

This building contains a door only used by members of the royal family.

One of the world’s leading and most extensive archives on the Holocaust, the Nazi era, and genocide, this collection includes published and unpublished works, press cuttings, photographs, and eyewitness testimony.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

Collection dedicated to brands, packaging and advertising.

The anatomical-pathological collection of a man who changed surgery.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

A cluttered and astounding collection of antiquities and curiosities.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.