51.7724-3.1051The Big Pit, ☎ +44 1495 790311. Dec-Jan: 10AM–4:30PM, Feb-Nov: 9:30AM–5PM. The National Museum of Wales has turned this former coal mine into a look back at what mining life was like in days gone by. The highlight of the trip is an underground tour of the mine itself, led by a retired Welsh miner. Free.