885 Hill Lane, Lake Tahoe, Nevada For sale: $3,700,000 When Paul Arnold and his wife Elizabeth decided to build their custom home, they wanted something beyond fun. They wanted something fantastic. Hence, "The Hobbit House" was born.

Each week, TODAY real estate expert Barbara Corcoran looks around the U.S. to see what home buyers can get for their money.

This week in celebrity real estate: Billy Joel listed his house for sale in Miami. Bristol Palin sold her house in Maricopa, Ariz. And a home that Babe Ruth once owned near Boston is on the market.

TODAY's real estate expert Barbara Corcoran discusses how using bright colors in your home decorating can help attract buyers to your home.

Average U.S. rates for 30-year and 15-year fixed mortgages fell to fresh record lows this week. The 30-year loan ticked down to 3.83 percent, the lowest since long-term mortgages began in the 1950s.