Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Marking the ancient boundaries of asylum around Beverley Minster.

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

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

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

The oldest public library in Ireland.

The remains of the great moral philosopher reside in a university in London.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Catacombs turned marketplace.

The television series' iconic giant foot was borrowed from this classical painting.

One of the shortest streets in York has an especially odd name.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Pyramid shaped monument with a tall tale attached.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

At the United Kingdom's only residential library you can sleep among the books.

A 168-foot tower, part of the abandoned Chester Leadworks facility.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Home to the most complete dodo remains known - one head, and one foot.

One of Europe's oldest libraries.