You can tour Illinois by land, sea or sky. If you love the water, there are an abundance of options, from luxurious cruises to kayak adventures. On land, hop on a Segway, hire a bike or explore the amazing architecture of Chicago, Oak Park or Quincy. If you like to get sky high, you can take a helicopter tour, zipline along the Mississippi River or skydive over the Windy City. Check out your guide to tours in Illinois.