Obelisks and stone pineapples in the Irish countryside.

A corkscrew-shaped barn in Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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."

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The oldest public library in Ireland.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

A particularly disconcerting tribute to Irish martyrs.

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

Early habitat dioramas and home of the elusive gaff, the skvader.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The only things left in this abandoned Latvian graveyard are a mysterious stone and a ghost story.

Burlesque Hospital Themed Restaurant.

The largest coin pyramid in the world is a carefully balanced stack of over 1,000,000 pieces.

Underwater roads undetectable from the surface used for escape routes from foreign invaders.

This abandoned secret city is a crumbling wonderland of Soviet ruins.

Sculpture garden of religious statues made it through Soviet rule.

Launch site for nuclear war against Western Europe.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.