Nebotičnik is Ljubljana's iconic early 20th century tower with a rooftop café and terrace that gives you one of the best panoramic views of the old town and castle, especially at sunset. You can take the historic elevator up, but space is limited so expect a short wait and plan to buy something at the café rather than just linger for free. It sits right by Preseren Square and the Triple Bridge, so it is easy to combine with a walking tour of the center. Check current opening hours before you go, and arrive early in peak season to avoid queues and get a good spot for photos. Tripod is allowed as long as you don’t block the passage to other visitors or staff.