A bit of track from the Fort Wilderness Railroad still exists
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=28.406564,+-81.5549&sll=37.0625,-95.677068&sspn=56.112526,77.695313&ie=UTF8&ll=28.40659,-81.55486&spn=0.000964,0.001186&t=h&z=20