Its casino ( Spielbank ) rivalled those of Bad Homburg , Baden - Baden , and Monaco .
Gambling followed bathing en suite , and in the 19th century , Wiesbaden was famous for both .
Wiesbaden 's casino ( Spielbank ) rivalled those of Bad Homburg , Baden - Baden , and Monaco .
Gambling followed bathing en suite , and in the 19th century , Wiesbaden was famous for both .