Architectureal fantasy quarter of Rome.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

What appears to be an ancient Roman temple is actually a Catholic church.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

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

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A magnificent Neogothic tomb hides within this Italian fairytale-like forest.

A dreamlike medieval church dug into the tuff rock, with unusual carvings and possible traces of the Templar knights.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.