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

Mysterious 500-year-old tapestries depict a unicorn hunt.

Elevated freight railway turned wildly successful urban park.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Traditional 15th century Chinese garden in the middle of Vancouver.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

A medieval weapon rumored to have been used by the brilliant poet himself.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

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.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Art and armour fill every inch of this rich kid's Italian villa.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

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