Founded in 1330 and located on the banks of the Daugava River, the Riga Castle is one of the country's most prominent medieval castles. Throughout its history, it has suffered significant damage and seen various rulers and wars. After numerous reconstructions, it is a typical sample of late Classicism architecture. Currently, it serves as the official residence of the President of Latvia.

The Irish Museum of Modern Art, also known as IMMA, is Ireland's leading national institution for modern and contemporary art. Modelled on Les Invalides in Paris, the spacious museum presents over 3,500 works, largely produced after 1940 and in a diverse range of contemporary styles. It also hosts a dynamic programme of exhibitions and events, which regularly include bodies of work from its own collection.

Inaugurated in 1890, the Arriaga Theatre is a Neo-baroque opera house named after the Bilbao-born composer Juan Crisóstomo de Arriaga, often referred to as the 'Spanish Mozart'. Inspired by the Paris Opera House, it became a key cultural venue in Bilbao. The original theatre burned down in 1914 and was rebuilt, reopening in 1919. Today, it hosts opera, ballet, classical concerts, and theatre productions. Guided tours give a behind-the-scenes look at the staircases, Royal Box, and costume collection.

Built on a hill overlooking Granada and set against a backdrop of the Sierra Nevada, the Alhambra is a majestic medieval complex of intricately decorated palaces, pristine gardens, and a once-mighty fortress. It is among the top 3 most visited landmarks in Spain, and together with the Generalife Gardens, they form a UNESCO World Heritage site. See the complex's fascinating mix of Renaissance and Moorish architecture, admire panoramic city vistas from a hilltop perch, and then stroll through the botanical beauty of the Generalife Gardens.