The rooftop terrace has stunning vistas of central Madrid, while the interior is a hub of the arts, from music and poetry events to lectures and science exhibits.
Alongside games of football and couples in pedalos, the art galleries, buskers and 17th-century palace give El Retiro a different flavour to your average park.
Admire the craftsmanship of the Tuscan artists and architects that created this richly ornamented bell tower. Climb its staircase for glorious views of Florence.
It may not be the cheapest city in Europe, but this Scandinavian metropolis pulls its weight when it comes to culture, natural beauty and quality of life.
Admire the greatest works of Michelangelo and da Vinci, see the center of Catholicism and pose with the Leaning Tower of Pisa on this Mediterranean peninsula.
The rooftop terrace has stunning vistas of central Madrid, while the interior is a hub of the arts, from music and poetry events to lectures and science exhibits.