A haven for book enthusiasts across the street from Retiro Park.

For more than half a millennia, this automaton has rung an hourly bell.

This centuries-old tower hosts endangered bald ibis mating pairs and looms over a pristine beach.

An old quarry transformed into a recreational and cultural space.

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

Learn how dolls are made in this fascinating museum inside a 19th-century mansion.

Built in 1925, this glass-roofed shopping arcade is known for its modernist Italian architecture.

This historic fountain is a favorite neighborhood meeting point.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

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

This tunnel was built in order to protect the village of Daroca from flash floods during rainy seasons.

The longest eruption in the history of La Palma originated with this volcano in September 2021.

Get a close-up look at a 16th-century Basque whaling ship at this factory and museum.

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

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

A reservation-only highland forest reserve of endangered Pinsapar firs stands above a village in Andalucía.

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

The gaunt visage of this angular Christ giant is enough to put the fear of God into all who see it.

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

This amazing piece of modern art honors the hundreds of fishermen killed during Cambrils' "year of misfortunes."

A botanical garden full of thought-provoking contemporary sculptures.

The largest cave on the island of Menorca was likely the site of Iron Age rites and rituals.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.