The Promenade is Cheltenham at its most polished: a broad, tree-lined street of Regency facades, shops, and pavement life. It continues into Montpellier Walk and Montpellier Street, where the caryatids outside the shops are the detail everyone stops to photograph.
It is not a single monument so much as the town's best architectural stroll. Start here if you want to understand why Cheltenham became a fashionable spa town.