This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

This embalmed man is one of the best preserved mummies from the Canary Islands.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

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

Giant topiary dog once played a role in a terrorist bomb plot.

Marvel at this immense work of art that greets arrivals to the city.

A fantastic castle rumored to be the birthplace of King Arthur.

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

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A curious memento mori hangs in the magnificent Cathedral of Segovia.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Order cookies baked by cloistered nuns in a 400-year-old monastery.

The roof of one of the world’s largest spice markets provides a grand view over the neighborhood's glorious bustle.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

An ancient iron pillar in Delhi that seems to be rustproof.

A startling, centuries-old subterranean marvel hides in plain sight.

A few times a day, you can see an animatronic cowboy shoot-out.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.