Remember The Project Tic-Toc, a secret experimental time machine of the U.S Army in Time Tunnel? The DeLorean from Back To The Future? The TARDIS Type 40 time travel capsule from Doctor Who? The eight-spoked Frozen Wheel from Lost? Not to mention The Hot Tub Time Machine…
They are indeed the weirdest-looking time machines in all Science Fiction and they’re all listed (picture and/or video) in this post on io9.