Built in 1875, the Palace Hotel, a Luxury Collection Hotel, is distinguished as San Francisco’s very first luxury hotel. Although there are now a plethora of upscale accommodations in the city from which to choose, this landmark remains one of the finest, thanks to its chic design and impeccable amenities. And now, a multimillion-dollar renovation—which kicked off in April and is scheduled to be completed in September—is returning the grande dame to its original splendor.

The initial phase of the revamp enh…