national leaders want to make the fourth time a charm. >> reporter: this could be the year that hariet tubman gets honored with two national parks. and it's something local lawmakers would say would be a long time coming. >> reporter: harriet tubman's story is a classic that is still being told. >> what do you guys know about harriet tubman? >> she left a trade. >> reporter: quin and cole journey to baltimore to learn tubman's heroic story. >> come on. she led dozens of slaves out of the south to freedom. it can be shown at two national parks. one of them slated for maryland. >> i truly hope that we'll be able to pass this legislation. to make sure that many americans throughout the country will understand this important legacy. >> reporter: among other things, the park here will include one of the stops along the underground railroad, and the farm where tubman was asleep. >> i don't think people necessarily know what her private and personal life was like, as far as injury. people learn more about the park and learn about her. >> the proposal has come three times before. but failed to rally