; (3) carry out, with respect to a public space, a landscaping project that is consistent with local character and with the scenic, historic and cultural character of the nearby National Park System unit; (4) provide wayfinding and interpretation markers to assist visitors to the relevant unit of the National Park System with orientation or interpretation, including but not limited to markers at key sites of scenic, historic, or cultural value, so long as all wayfinding markers have a non-intrusive design that keeps with the character of the gateway community and the unit of the National Park System; (5) establish a scenic easement to protect a view of the relevant unit of the National Park System; and (6) mitigation of visual blight including screening or removal of elements not in keeping with the desired visual, historic and cultural character of the Gateway Community and the unit of the National Park System. (e) Federal Share The Federal share of the cost of an activity assisted with grant amounts awarded under the Program shall be not more than 50 percent. (f) Authorization of appropriations There is authorized to be appropriated $2,000,000 to carry out the Program. (g) Covered entity defined In this section, the term covered entity means a local government entity that serves an area located within 5 miles of a public entrance to a unit of the National Park System. The Secretary shall have the discretion of waiving the 5-mile limit in cases where compatibility between the visual, historic and cultural character of a gateway community beyond the 5-mile limit and the unit of the National Park System is significant to both as jointly attested to by the local government entity and the National Park Service.