If your trip to Highland is all sorted out but your itinerary is looking a little empty, let us give you a helping hand.While you're exploring the neighborhood, keep an eye out for Denver's Downtown Aquarium and Elitch Gardens Theme Park. There's plenty to keep you occupied at these fantastic attractions.Leave that rental car back at the hotel and start using those feet. Not far from the center of this neighborhood, Union Station is worth a visit. Children's Museum of Denver and Larimer Square are a couple of other close-by sights that draw a great many travelers like yourself.