Hipmunk shows rail and air travel options, hotel walkability

My new favorite travel reservations website is Hipmunk.  The site offers some features I haven’t seen in any other travel reservations site, but should be standard everywhere. When searching for “flights,” Hipmunk returns a useful long-haul transportation option that most other sites don’t show, Amtrak.  Check out the screenshot showing travel options between Seattle and Portland.  Options…