Islamabad is a city that mixes nature , beautiful buildings , and peaceful vibes in a way that's rare for a capital city . It's surrounded by the impressive Margalla Hills, which provide a breathtaking background that changes color with the seasons — green and lively in spring , golden and warm in autumn , and covered in mist during winter . Here 's what makes Islamabad really special : Natural Wonders Margalla Hills National Park: A dream spot for hikers and nature fans , with trails like Trail 3 and Trail 5 that give amazing views of the landscape . Rawal Lake: A peaceful place for ...