Thousands of coffin-like pillars make up this controversial Holocaust memorial.

These towering cliffs jut dramatically from the middle of a barren desert.

A herd of half-sized cow sculptures has stood in this part for nearly 50 years.

A rare example of the RAF’s flying spy taxi.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

Europe's largest prehistoric mound – burial site of a legendary king?

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

This unique bridge is one of the last of its kind in Sweden.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This ghost town in Belgium will lose its street art when it ceases to exist.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The last of Amsterdam's original sea level markers remaining in place.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

A public urinal so pretty, it was declared a national monument.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

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

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This viaduct serves as a reminder of World War II.

A restaurant and observation deck built in a unique broadcasting antenna.

Ruins of a German castle on top of a towering stone pillar.