Probably Galveston's most celebrated landmark, is state's only structure on list of nation's 100 outstanding buildings by American Institute of Architects. "Palace" was built as private home by Col. Walter Gresham in 1886, purchased 1923 for the bishop of Galveston-Houston Diocese. Showplace furnishings include mantel that was first-prize winner at 1876 Philadelphia World's Fair, Venetian crystal chandelier, damask wall coverings from London, and grand staircase of rosewood, satinwood, and mahogany. Open daily noon - 4 p.m. during winter; summer hours Mon. - Sat. 10 a.m. - 5 p.m.; Sun., noon - 5 p.m. Admission.