Biblioteca Joanina, part of The University of Coimbra General Library, Coimbra, Portugal. This Baroque library was built in the century during the reign of King João V (and named after him). It contains about 250 thousand volumes.
One man decided to apply an algorithm to national travel and ended up optimizing the absolutely PERFECT cross-country road trip. The man was Randy Olsen, and he was joined by Tracy Staedter from Discovery News while plotting this wonderful map.