It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

A beautiful and classically designed villa, with an hourly infestation of monsters.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

These magnificent 240-year-old machines are considered distant ancestors of the computer.

There has been an astronomical clock on this spot since the 14th century.

In this tiny Iranian town playing on the roof isn't just encouraged, it's the only place to go.

A Chinese mining company has created the world's first cloned village in this perfect recreation of an Austrian town.

Like something out of a pulp adventure, this abandoned plane wreck is slowly being retaken by the Caribbean jungle.

This ancient stone necropolis is in danger of disappearing.

This ancient mountain monastery welcomes all manner of faith in an effort to keep Christians in Syria.

Tens of thousands of rocks make up what is thought to be a giant star calendar.

A Biblically notable site over the ruins of an ancient city that is now a protected World Heritage site.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

3,000 market stands in five former Zeppelin hangars.

Mysterious craters may have been home to an ancient cult.

"There's nothing there," and other lies the KGB told us.

The fairy tale castle of the "fairy-tale king."