Little known facts about Danville PA real estate and homes for sale in Danville PA.  There  are over 25 covered bridges located in Montour and Columbia Counties.  These counties were once one large county that was split off into the current configuration.  Most of these covered bridges are over 100 years old.  Columbia County is proud to be the location of one of the last two surviving TWIN covered bridges in all of the country.  Many visitors come from near and far to visit all 25 of these architectural marvels.  The Columbia-Montour visitors bureau has more information on these treasures.  Knoebels Amusement Resort is also entertains thousands of visitors every fall during the Annual Covered Bridges arts festival.   Houses in Danville PA are located for sale in and around these areas.  Geisinger Medical center is also located nearby.  For more information on Danville Pennsylvania real estate and Danville PA homes for sale, please visit the Danville PA real estate website.