On the rugged Southwestern tip of Portugal, Cape Sagres was the closest travelers could get to the edge of our flat Earth in the days before Columbus. Today, merchants sell their wares next to a lighthouse that marked what was referred to as the end of the world, while fishermen brave dizzying cliffs for the catch of the day. For more information on the Rick Steves' Europe TV series — including episode descriptions, scripts, participating stations, travel information on destinations and more — visit www.ricksteves.com.