Some say this small Italian church holds a gate to Heaven.

You can still find your way around Suzhou with this 800-year-old stone map.

This bridge dates back to the 9th century and allows visitors to walk an ancient path amid modern industrial trappings.

Two nearly identical Chinese pagodas stand side by side, along with ancient stone relics.

An enormous effigy of the goddess of compassion hides within the sanctuary.

Thanks to a bit of wordplay, seven auspicious stone cats guard this ancient canalside street.

Inspired by Thomas Stothard's painting of the "Journey to Canterbury," albeit with Canterbury natives.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

One of England's most famous churches hides a pair of little known architectural treasures.

An ancient well nestled at the foot of Glastonbury Tor, shrouded in Arthurian legend and revered for its purported healing waters.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

Fascinating town where normal life interfaces with the occult.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

This beehive tomb built for royalty sat hidden for over 3,000 years.

This mountain trail inspired Nietzsche to complete his magnum opus.

This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.

The ruins of this medieval castle overlook the lake of Piediluco in what was once a sacred forest.

The eerie ruins of this feudal fortress witnessed the execution of 60 conspirators in 1387.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.