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

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

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

Ride a boat through this magnificent underground world, which now doubles as a theater.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

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

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

An ancient artistic garden parlor full of hidden water wonders.

Romans built the world's tallest artificial waterfall in 271 BC.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Natural cathedral designed by Italian artist Giuliano Mauri.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Ruins of a 10th century church tucked away deep in a botanical garden.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The glowing blue Nymphaeum of Emperor Tiberius.

Renaissance villa and gardens complete with a tormented colossus.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

In this medieval church, a centuries-old stuffed crocodile hangs from the ceiling.