Kathleen and Darryl Toupkin have visited every single one of the 433 National Park Service units — every state, every inhabited U.S. territory. On Saturday, April 18, the Arizona couple will share what they've seen in two free presentations Add New Eventat the National Parks Store in Oro Valley. "National Parks Road Trip" runs twice that day, at 10:30 a.m. and 12:30 p.m. The Toupkins will talk about the park system, highlight favorite destinations, and offer ideas for guests looking...

Kathleen and Darryl Toupkin have visited every single one of the 433 National Park Service units — every state, every inhabited U.S. territory. On Saturday, April 18, the Arizona couple will share what they've seen in two free presentations Add New Eventat the National Parks Store in Oro Valley. "National Parks Road Trip" runs twice that day, at 10:30 a.m. and 12:30 p.m. The Toupkins will talk about the park system, highlight favorite destinations, and offer ideas for guests looking...