The marshy karst plain has reclaimed this beautiful 17th-century church.

This medieval Italian village was transformed into an architectural marvel by the famous "Papessa" Donna Olimpia.

A stunning fountain depicting a mythological she-goat carved directly into the rocks on the grounds of a Renaissance palace.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

This palatial building houses a remarkable gallery of papal portraits.

The second-highest village in Lazio has attracted artists for 400 years and is now a spectacular open-air art gallery.

The ruins of this medieval tower are destined to crumble into the sea.

This splendid mosaic embodies ancient Rome's fascination with the exotic allure of Egypt.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

Harlequin costumes, signed scripts, and armor-wearing puppets.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

This ancient Roman arch misled treasure hunters for centuries.