The largest of London's subterranean rivers and once a mad, bad center of London life.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A garden in Lisbon filled with giant porcelain creatures.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The final resting place of the poets Shelley and Keats.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The oldest operating pharmacy in the world features 800-year-old recipes.

The middle finger of modernity.