Art historians have debated the identity of this medieval stone rider since the 19th century.

The ominously named cave is home to some remarkable ancient art.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

One of the world's most complete mineralogical collections.

The video game-themed street art first popped up in the French city.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

A charming little museum founded by the designer of the Statue of Liberty.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This incredible mountainside temple is home to intriguing statues of demon-like creatures.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

The English bed-and-breakfast believed to have inspired Emily Brontë's novel "Wuthering Heights."

A pocket of Buenos Aires with an unusually high concentration of psychotherapists.

This museum houses two of Mexico's most impressive Aztec monoliths.

The final resting place of the "father of special effects."

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This sculpture meant to honor the bravery of the Indigenous Mapuche people of Chile proved controversial.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.