If you have 7 days to spend in Dudley, there are plenty of things to see and do:
The Black Country Living Museum is an open-air museum that explores the history of the Black Country region. You can ride on a tram, go inside a miners' cottage, and see all kinds of historical artifacts. Plan to spend at least half a day there.
Dudley Castle is a ruined castle that dates back to the 11th century. You can climb to the top for great views over Dudley, and also visit the zoo that's housed within the castle's grounds. Allow an hour or two to see everything.
Wren's Nest is a nature reserve that's home to all kinds of rare plants and animals. It's a great place for a walk on a sunny day. You could spend a couple of hours here.
The Dudley Canal and Tunnel Trust offers boat trips through Dudley's historic tunnels. You'll learn all about the canal's industrial history and see some amazing caves. Plan to spend a couple of hours here.
The Red House Glass Cone is a former glass-making factory that now houses artist studios and galleries. You can learn about the history of glass-making in the region and see some beautiful artwork. Allow at least an hour here.
As for places to stay, there are plenty of hotels, B&Bs, and holiday apartments in Dudley. The Village Hotel Birmingham Dudley and the Station Hotel are both popular choices. Alternatively, you could stay in nearby Birmingham if you want more options.