World's Coolest Observation Decks
Torre Jaume I, Barcelona
Many visitors to Barcelona take the Port Vell tram to Montjuïc for a picturesque view of this lovely Mediterranean city. But savvy passengers know to get off along the way—inside the Torre Jaume I aerial lift pylon. At one time the world’s tallest such structure in the world (think: ski lift tower, but set in the middle of a major city), Torre Jaume I served as a lookout and machine-gun post during the Spanish Civil War. Today, it has one of the best bird’s-eye views of Barcelona.
Observe This: A one-way tram ticket costs about $13. Begin or end your trip at Torre San Sebastian, a smaller support tower that includes a restaurant at its top. —Jeff Koyen