A bathroom tile pattern in a Los Angeles home built largely with reclaimed materials was designed to look like a colony of bacteria, based on images obtained from an electron microscope.CreditCreditCris Nolasco Studios

Mr. Pallrand’s master bedroom is paneled in redwood that Pacific Redwood culled from a decommissioned bridge built in 1925 in Humboldt County, its knotholes and bolt-holes still visible. The Philippine mahogany table, now carved with a mycelium-inspired runner down the center, was hewed from 1920s-era church pews that a congregation in Santa Monica, Calif., was dumping.

Source: In a ‘Recycled’ House, Details That Will Grow on You – The New York Times