Temple complex that once housed the famous statue of Nike.

This seaside sanctuary was once one of the most important religious sites for women in ancient Greece.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

The hallucinogenic center of the ancient world.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This curious, round temple is the oldest still-standing marble building in Rome.

The ruins of this Roman temple dominate the small city in southern Lazio.

This medieval mountain town is also known as the "Village of Streams."

The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

Legend said this huge, gnarled tree sheltered the saint during a storm.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

The Cathedral of St. Ambrose has been hiding a special parishioner within its walls.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

This amazingly preserved Doric temple was abandoned before it was ever completed.

This large, circular tomb is the final resting place of the first emperor of Rome.