Citrus reigns king here in the heart of Kambos, a picturesque area south of Chios Town. A tiny citrus plantation and museum devoted to the sour fruit will give you an insight into its processing stages, and the adjacent gift shop provides an opportunity to stock up on some unique citrusy souvenirs.

"New Monastery" is a misnomer – this imposing religious institution was founded in the 11th century by the Byzantine Emperor Constanine IX Monomachos. It is, perhaps, the finest religious building in the Aegean islands, with mosaics that date back to the golden age of Byzantine religious art.

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.

The Estádio Algarve was built for the 2004 European football championship, but that does not make it a football fanatics-only attraction. Here, you can see different sporting events year-round, so make sure to check if there is anything of interest during your visit.