Housed in a stunning Victorian building, this museum has the largest exhibition of knives, blades, penknives, and scissors in Spain.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

An archaeological museum squeezed into a narrow 15th-century gate tower accessed only by a spiral staircase.

This ancient fort has been a great insight into the Roman presence in the region.

An ancient stone structure that, according to legend, was built by witches.

The first mechanized factory in Spain is also one of the most significant mints in the history of money.

The largest and best preserved necropolis in the Western Mediterranean.

Several petroglyphs are all that remain of an ancient pyramid.

This replica of Columbus's famous ship houses the history of La Palma's maritime importance during the Age of Exploration.

The oldest vestiges of Madrid found here, have been incorporated into this new museum.

Among the best preserved megalithic monuments in the Aragón river valley.

Tower that was a frequent stop on the travels of King James I.

The history of this Moorish castle includes royals, a Mexican-Spanish association, and several attempts at lodging.

The site of a legendary battle immortalized in medieval literature.

Hidden underground, a remarkable 10th-century bath complex survives virtually unaltered.

Ibi's pioneering toy factory now houses two small but mighty museums.

Behind this pair of dragon trees, there is a tragic story of lost love.

An abandoned 6th-century monastery features a medieval map of the known world.

The world's largest sundial can cast a shadow more than 1,600 feet long.

The tallest tower in Cáceres's Old Town.

A mountain path passes by several sprawling enclosures home to a pair of rescued brown bears.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

The spectacular geological formations make it one of the most impressive caves in Europe.

This remote location of this Moorish stronghold means it doesn’t attract many tourists—and that it still has the aura of fear and bravery of the 1300s.