This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

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

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

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

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

This lucky bronze frog was gifted to Madrid by a casino.