While the 2016 election looms large in many people's minds, the 2018 midterm season is quickly approaching. As with every two years, all 435 representative seats and 33 out of 100 senator seats are up for election. While many of the incumbent members will likely be easily re-elected in the midterms, there are still interesting races to watch. Use this interactive to explore which races to pay attention to in 2018.