Residential architecture just seems to get better every month. Architects keep creating mind-blowing houses around the world that meet both the demands of their clients and the local environmental conditions. Making use of sustainable methods and materials, these residences do not compromise luxury or aesthetics. While some structures are added onto existing ones to take on a completely new character, others are built from the ground up to fit the surrounding terrain. From swimming pools, to terraces, to spas, check out Fresh Builds: The 25 Coolest Houses of June 2013.