Ponte 25 de Abril

This 2.3-kilometer suspension bridge towers 70 meters above the Tagus River, connecting Lisbon's Alcântara district to Almada on the south bank. You'll see double-decker traffic - cars on top, trains below - while pedestrians get the best views from the riverside walkways beneath. The red steel structure dominates Lisbon's skyline, and on clear days you can spot the Cristo Rei statue across the water that mimics Rio's Christ the Redeemer.

Walking the waterfront path gives you constantly changing angles of the bridge's massive towers and cables. The sound of trains rumbling overhead mixes with river traffic below, while joggers and families share the wide promenade. Early morning brings soft light that makes the red paint pop against blue sky, and you'll hear multiple languages as tour groups gather at the prime photo spots near Doca de Santo Amaro.

Most visitors snap a quick photo and leave, but the 20-minute walk from Alcântara station to the LX Factory gives you the bridge's full drama. Skip the expensive riverside restaurants here - they're tourist traps with mediocre food. The viewpoint from Cristo Rei costs €6 and requires a ferry ride, which isn't worth it unless you're already heading south. Your best shots are free from the north bank anyway.