Colosseum

This iconic four-story amphitheater once hosted gladiatorial contests and public spectacles for up to 50,000 roaring spectators in ancient Rome. Walking through its weathered arches and cavernous corridors, you can almost hear the echoes of history reverberating off sun-bleached travertine stones. The Colosseum stands as a testament to Roman engineering prowess and remains one of the most recognizable monuments from antiquity.