St. Albans is 22 minutes from St. Pancras on the fast trains, 28 minutes for all-stops trains.
It is a pleasant small historic city with a good park and lake and a big Cathedral, with easy access to loads of shopping towns around, and pleasant enough shopping in town anyway, and a big market on Wednesday and Saturday the length of St. Peter's Street, which is the main street.
The countryside all around is beautiful. There is a lovely route to Dunstable Downs straight up the A5 then turn left at Markyate through the lanes to the Downs and to Whipsnade Zoo.
The Chiltern Hills are beautiful. Ashridge (see link) is 30 minutes drive away...fabulous to visit all through the year, with a fantastic bluebell show in spring, glorious autumn colours, and pure English woodland at any time.
See down here a bit...most is about the area around Ashridge.
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