Fodor's Expert Review Fortaleza de São Tiago

The robust yellow fortaleza dates to 1614, if not earlier, when French corsairs began to threaten Funchal's coveted deepwater harbor. Thanks to continuous use—by British troops when their nation was allied with Portugal against Napoléon, and during the visit of Portuguese King Dom Carlos in 1901—much of the military stronghold has been preserved, though it's now a bit decrepit. You can wander around the ramparts, which offer interesting views over the old town and sea below.