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

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The enigmatic and seldom visited ruins of a Mayan city-state.

A century-old bathhouse that provides the luxury of warm water to rural Guatemalans.

Experiencing Guatemala's sensory-exploding church is a blunt reminder of European influence.

A pocket of jungle amidst urban expansion in Panama.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

Home of the "true" equator.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Site of one of World War I's most horrific scenes.

The last bastion of Roman presence north of the Alps looms over a German town.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

An ancient monastery, a locked room, and a mysterious book heist.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.