Just like in Hollywood, Madrid has also a forgotten walk of fame.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Of course Salvador Dalí lived in a castle...

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

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

The chefs at El Diablo use heat generated by an active volcano to cook the food.

This lucky bronze frog was gifted to Madrid by a casino.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

A completely underwater art museum sends a stark message about humans' impact on the environment.

A once-secret library of Freemason history in Catalonia.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

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

The final resting place of the great navigator, or maybe his brother.

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

A landscape decorated with enormous skull sculptures.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.