Lisbon, Portugal (17/20)

Lisbon is one of Europe’s most exciting destinations for street art. The city’s hillsides and streets are adorned with large-scale murals that reflect the city’s mix of old-world charm and contemporary creativity. Bairro Alto and Alfama are filled with painted facades and hidden works, while the annual “Lisbon Street Art Tour” offers a curated look at the best outdoor art the city has to offer.