One of the last functioning antique elevators in Chicago.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

An avant garde art museum at the University of Chicago.

Pizza with a side of fine art.

A Bibliophile's Dream.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

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.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Cold storage for agricultural biodiversity.

Walk behind a 50-meter-high waterfall.

An intricately carved Viking church overlooks a glistening fjord.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Home to three historic ships from the age of Vikings.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The highest lighthouse in Scotland shines from an abandoned island.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

The ruins of a medieval seminary some say is the oldest university site in Scotland.