This black church sits alone among a field of lava rock.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

An 1814 castle that hosts an exhibit of "explorabilia".

This semi-secret storybook hedge maze is also the oldest garden in the city.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

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

An unusual manor of stunning beauty, born out of a crippling disease.

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

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

This small chapel is built of human bones and decorated with a golden skeleton.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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

Staves, storm-calling, and of course, necropants.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

Blitzkrieg bop your way through Berlin's Ramones Museum.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.