The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A historic Christian shrine nestled within a spectacular natural cave.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Remote ruins of a 2,400-year-old Iberian settlement.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

The extensive relics of an ancient Roman and Phoenician fish processing plant hide in a town park.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The museum moved on, but the diorama remain.

This schoolhouse for Black American children is one of the oldest remaining in southeastern Ohio.