Highclere 102   See: Highclere Castle £9.50 castle & gardens/£8.50 over 60 (11-6:00 Sun-Thurs, last entry 4:00) Castle and Egyptian Exhibition The 1,000 acre estate country house in high Elizabethan style, with park designed by Capability Brown .    1:30 p.m. Depart: Highclere   2:15 p.m. Arrive: Avebury 30   Do: Avebury