Dan and Kara are looking to escape their fast-paced lives in Denver, Colorado, for permanent relaxation in Guanacaste, Costa Rica. As the world's second most environmentally sustainable country, Costa Rica offers Dan and Kara the ability to live amongst nature, while leaving a smaller footprint on the Earth. With the help of real estate agent, Rebecca Clower, this couple is looking for a sustainable beachfront oasis for under $250,000. (hgtv.com)