20 year, 3 Phase renovation and expansion plan for the 45,000 sq.ft. Meteor Crater Visitors Facility, located 35 miles east of Flagstaff, AZ. The 15,000 sq.ft. expansion program includes a 2,500 sq.ft. new Main Entry; 10,000 sq.ft. of expanded Guest Services; and the 2,000 sq.ft. cantilevered SpaceDeck Crater Viewing Room (CVR). The sustainably-focused Visioning Masterplan incorporates several energy and resource-saving strategies, including natural daylight and ventilation; water collection, storage and re-use; stratified heat recovery; integrated cooling towers; and a 45 kWh roof-mounted photovoltaic array.