Pivotal in the research of early British Bronze Age life, found near Stonehenge.

The castle still holds traces of the abandoned Roman fort it was built atop.

A 200-year-old prison that now houses a peculiar crime museum.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

This modest relic, with rich history as a strategic fort through multiple eras.

This gate served as a small lock-up jail in the 14th century.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

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.

This bronze statue was dedicated to a 1966 Beatles hit.

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

One of the largest medieval barns in England and architecturally one of the finest.

Since 1768, the pillar at Guildhall Market in Bath has been a hub of economic transactions.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

This small museum tucked within a subway station holds pieces from Madrid's past.

Dedicated to a young woman who broke gender barriers at the University of Madrid.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

A lush indoor jungle fills this bustling Madrid transportation hub.

A pair of gigantic baby heads greet passengers at Atocha Station.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.