On Friday, Jan. 19 and Saturday, Jan. 20 the Mapcap Cottage’s John Loecke and Jason Oliver Nixon from HGTV will be at the Dulles Expo Home Show. 10 a.m.-9 p.m. at the Dulles Expo Center, 4320 Chantilly Shopping Center, Chantilly. Visit www.homeandremodelingshow.com for more.