For the more active, there are multitudes of walks and footpaths to suit even the seasoned hiker. It is possible to walk from the far northwest to the far northeast of the island on a delightful 16 mile course, taking in some of the most fabulous scenery. There is also an extensive network of green lanes, which give priority to pedestrians, cyclists and horse riders.

Famous Greek monuments and splendid artworks from different historical periods are exhibited at The Archaeological Museum of Kos. The most extraordinary displays here include beautiful mosaics, statues from the ancient site of Asklepeion, an extensive collection of prehistoric pottery and metallic objects, exhibits from a tomb of a young athlete dating back to the 3rd century B.C, coins, anaglyphs with various representations and many other items.

The Cathédrale Saint-Pierre is a Roman Catholic cathedral also listed as a national monument by the French government. It houses an organ that was built between 1840 and 1842 by Nicolas-Antoine Lété, an organ builder of the French king. A lot of concerts are organised there, especially in summer.

The Palacio Real de Madrid, the official residence of the Spanish royal family in the city, is Europe's largest royal palace, boasting a whopping surface area of 135,000 square metres and a staggering 3,418 rooms. This architectural marvel is not only visually stunning, but also features spectacular outdoor gardens and exquisite frescoes, furnishings, and paintings within its walls. Originally constructed in 1764 as a replacement for the Alcázar castle, which had been destroyed by fire three decades earlier, this magnificent edifice is a must-see attraction for anyone visiting Madrid. Nearly the entire palace is open to the public, including the Armoury and Pharmacy.