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.

Once a resting spot for King Fernando VII.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

This Welsh dockyard was the site of the not-so-secret construction of the Millennium Falcon for the original Star Wars trilogy.

Several land speed world records were shattered at this Welsh beach.

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