Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Giant naked man on a hillside.

Famously misunderstood wonder of the ancient world

The oldest working mechanical clock in the world.

The second largest surviving chained library is housed in this 12th century church.

This tiny town features a tiny town that acts as a 3D snapshot of the town during the 1950's.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

An ancient ossuary in Rouen.

Taxidermied animals galore, by appointment only.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The largest greenhouse in the world is home to over one million types of plants.

One could not be blamed for literally walking all over this supposed landmark.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A museum which takes visitors to the côté obscure of Paris.