A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Some of England's last cave dwellers lived and worked within this huge cave.

The western face was supposedly left clock-less to snub the Welsh.

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

This stone once marked the boundaries of Liverpool's medieval markets.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

The red letters in the literary pavement leading to the library form a mysterious code.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

This 11th century tower is said to be the oldest building in Oxford.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

Used as an example in one of the first dictionary entries for "museum" in 1706.

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

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

The medieval woodcut-style artwork chronicles life in medieval London.

The pockmarks across the building's facade are remnants of the Blitz.

This coffee shop lies hidden beneath a historic church.