1. Seattle Houseboat

A married couple's floating vacation rental goes from a claustrophobic money pit to a romantic waterfront retreat with a rooftop deck.

2. Malibu Beach House

A widow's weathered seaside bungalow becomes a dazzling oceanfront villa with luxurious views and high-end amenities.

4. Brooklyn Brownstone

A big and affordable Bed-Stuy rental caters to crowds. But it falls short on layout and design -- and connecting its guests to local attractions.

5. Paso Robles Wine Country Cottage

A couple turns their dated vineyard cottage into an upmarket rental for destination weddings, unique experiences and elegant outdoor living.

6. Hudson River Carriage House

A vacant carriage house with vintage charm is a blank canvas for business opportunity -- and an interior designer's dream.

7. Palm Springs Time Machine

A colorful couple goes all-in on outrageous 1970s decor to turn their one-of-a-kind vacation rental into an upscale desert jewel.

8. DC Firehouse

A historic firehouse in the nation's capital gets a family-friendly makeover that honors its roots -- and its ties to the local community.