There are prenatal classes you can sign up for, but they are not necessarily held at the hospital. Breastfeeding clinics are also available. In terms of hospital tours, it depends on the hospital. Check your hospital's website, there should be information on it.
"My mission in life is not merely to survive, but to thrive; and to do so with some passion, some compassion, some humor, and some style." -- Maya Angelou (1928-2014)