A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A 16th-century horror show built in a lovely Italian garden.

Geothermal waterfalls in Tuscany.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

A hospital where antique dolls are given new life.

Architectureal fantasy quarter of Rome.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A sculpture serving as an homage to Pope John Paul II.

An alchemist's “magic door” stands in the middle of a Roman park.

A Nesting Doll of Churches.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

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

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

Gods clash with machines in a power plant regenerated as a museum.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

2300-year-old Roman road connecting the empire.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.