The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

A place to see how French aristocrats lived in the early 1900s.

This small museum located under the famous cube houses, is home to some 30,000 chess pieces.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

Learn about the sweet, storied legacy of beekeeping in ancient Greece.

Featured in one of the most iconic scenes in cinema history.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.

All that is left of this medieval castle is two towers, both of which now display a visible tilt.

This museum is dedicated solely to this millennia-old handheld cooling device.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

Magnificent frescoes decorate the interior of this Romanesque church, which also showcases an unusual phenomenon during winter solstice.

The ruins of this once gorgeous medieval church are still standing, despite the region's constant flooding.

Metro station with a claim to rock n' roll fame.

This medieval city gate is now a blend of the past and the modern world.

Knights Templar are visible inside this stunning Cistercian abbey.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

This museum preserves over-the-top masterpieces that once qualified artisans for membership into a medieval guild.

This Underground station has been a popular filming location for decades, even before it closed.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A monk spent 14 years carving steps through tuff to make this religious site more accessible to pilgrims.

Was this cave created by Hercules's wrath, the devil, or volcanic activity?