This 18th-century dissection theater's frescoes display a gorgeous tension between the terrestrial and esoteric.

This Italian pyramid is said to hold the mingled remains of the dead from both sides of the Battle of Novara.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This splendid tomb may look fantastic, but there's nothing in it...

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The prototype for all Nazi concentration camps.

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

A historic observatory precariously perched at the "Top of Europe."

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

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

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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Largest lake in Great Britain measured by surface area.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The final resting place of soldiers' loyal canine companions.

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

This single room has survived the centuries with almost no deterioration.