The world's first underwater farm is home to more than 700 plants.

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

A beautifully well-preserved ancient Roman villa.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

The sunlight passing through the opening of this huge cave system creates a magical effect.

The steel cable lets adventurers zoom between two mountain towns at speeds of up to 75 miles per hour.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This church carved into the rocks is full of enchanting stone statues.

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

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

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

This is the oldest Roman-made bridge in the city still existing in its original state.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

Explore the quarry where the marble was sourced for Michaelangelo's David.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.