Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

Museum of amazing old toys and automata.

Gargantuan pots of slow-cooked lamb, noodles, and red wine feed everyone at a Mallorcan harvest festival.

Hidden well off the beaten path in Catalonia is this crumbling medieval castle that is slowly being covered in graffiti.

A delightful museum devoted to the history of books.

This abandoned mansion has a window for every day of the year, and is a temple for ghost hunters.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

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

One of the most important Celtic-Roman archaeological sites in Spain.

Fragments of human bones are embedded in the walls of this quaint alley.

Medieval village and microminiature museum.

A 12th century church completely covered in shells.

Peek into a cave of giant, glimmering crystals.

A hidden medieval crypt where a famous legend says the devil used to teach black magic.

This 7,000-year-old megalithic wonder covered by a Franco-era reservoir emerges in times of drought.

Hundreds of caves once used to store grains and animal feed.

A cheese discovery made by shepherds became the pride of a region.

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

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

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

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

A historic Christian shrine nestled within a spectacular natural cave.

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

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