If your trip to San Antonio is all booked but your travel itinerary is looking a little empty, we can give you a few hints and tips.Think of San Antonio and then say the first thing that springs to mind. You probably said "Alamo," right? Being such a significant landmark, you just can't miss it. Throw your suitcases into the back seat and tick it off your bucket list.You'll need to rise early if you're planning to check out all the great sights this place has to offer. Shops at Rivercenter and Tower of the Americas are non-negotiable. Alamodome and San Antonio Botanical Gardens shouldn't be forgotten either.Stop by Market Square. It's one attraction you'll find on travelers' to-do lists. San Antonio River and Pearl District are also close by and worth checking out.