Three days gives Abu Dhabi a comfortable amount of time, balancing culture and spectacle in a way that contrasts naturally with a Dubai-heavy itinerary if you're combining the two. Day 1 starts with the Sheikh Zayed Grand Mosque, ideally as early in the morning as your schedule allows, both to beat the heat and to see the white marble before the midday sun makes photography harder. The mosque is free to enter and open to all visitors outside prayer times, with modest dress required and abayas provided on-site for women who need one. Spend the afternoon along the Corniche, Abu Dhabi's long waterfront promenade, with beach access and public art along the way. Day 2 is for culture specifically. The Louvre Abu Dhabi, a genuine partnership with the Paris institution, houses real masterworks under a striking perforated dome that scatters light across the galleries below — book timed entry tickets ahead, especially for weekend visits. Follow with an afternoon at Saadiyat Island's public beach, a short distance from the museum. Day 3 is dedicated to Yas Island, which packs Ferrari World, Yas Waterworld, and the Yas Marina Circuit (home to the Abu Dhabi Grand Prix) within a few minutes of each other. Pick one or two attractions rather than attempting everything in a single day — Ferrari World alone, with its high-speed rides and motorsport exhibits, easily fills several hours. A few practical notes: dress modestly at the Grand Mosque specifically — full-length, loose clothing is required for everyone, not just women, though abayas are provided free at the entrance for those who need one. Book Louvre tickets ahead, since timed entry slots fill up on weekends. And if attending during the November Formula 1 Grand Prix week, expect significantly inflated hotel prices and crowds — book well ahead if attending, or plan your visit around that specific week otherwise.