This cemetery features modernist statues as strange as its name.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This 1920s Dutch barge is now a floating bookstore.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Week-long block party becomes a competition for the best decorated street.

This colorful statue welcomes visitors to a Barcelona park.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

A sculpture serving as an homage to Pope John Paul II.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

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

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.

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

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Architectural monsters are devouring this palace's every door and window.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The longest hedge maze in the world.