The ancient tomb acts as a calendar that keeps perfect time.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

A beautifully well-preserved ancient Roman villa.

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

Roman-era ships unearthed...

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

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

Every inch of this chapel is covered in craftsmanship from across the world.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

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

Cave shrine on Monte Pellegrino.

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

The Emperor Tiberius' palace of debauchery.

A gorgeous medieval library where the books are kept in chains.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

These delicate sand pyramids look like naturally occurring gothic spires.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A madman's personal garden filled with 1,000 sculpted heads.

A fake medieval village in the middle of Turin.