Master gardener Kim Purdy takes Jenn Nawada on a tour of some local gardens. At the house, builder Matt Whitbeck builds a new foundation using ICFs. Historian Samantha Bosshart takes Richard Trethewey on a tour of a mansion once owned by the inventor of the valve used on most modern fire hydrants. Back at the house, Kevin OConnor and Tom Silva prep forms for a pour-in-place concrete staircase.