St. Petersburg feels like it could have been squeezed out of a soft serve ice cream machine. The Florida-city’s postcard perfect holiday energy is infectious, exuding a soft-focus quality of easy, playful ambiance that has been attracting tourists for generations. The 97-year-old Don CeSar Hotel—its Barbie-pink, fondant fancy exterior writ large—encapsulates its chintzy-meets-cool essence. Today, St. Petersburg—colloquially known as St. Pete—has a reputation as being the Austin, Tex...