A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

A temple to modernity, tucked away amid Barcelona's more well known museums.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A beautiful but toxic fountain of mercury.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.