The surviving remnants of a destroyed medieval church now stand in a public park.

An uninhabited village that preserves and documents rural architecture and an endangered way of life.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

Even after the church tried to wipe the practice out, this pagan festival lives on each year in a small Scottish village.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

This beautiful Romanesque church preserves stunning medieval frescoes and the excavations of a Roman market town.

This seventh-century fortification marked the western border of the Lombard duchy of Spoleto.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This ancient market is often referred to as the oldest shopping mall in the world.

A Roman calendar dating to the first century is tucked away in a small town alley.

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A stately palace has been converted into the world's largest cannabis museum.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Spain's largest bullring offers a unique glimpse at architecture and history.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A 16th-century Andalusian palace.

Bacteria and algae give the salty water its bubblegum hue.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

This emotive sculpture was originally created for the 1878 World's Fair.