The Rise and Fall of Baby Doe’s Mineshaft Restaurant. Long before Casa Bonita became Denver’s only nationally known themed eatery, Baby Doe’s Matchless Mine was a popular spot that transported diners back to the late 1800s. Located at 23rd and Bryant, overlooking I-25, the restaurant was styled after a mineshaft and inspired by the story of Elizabeth “Baby Doe” Tabor, the second wife of mining mogul Horace Tabor, who made a fortune in the silver mines of Leadville.