Answer:
A considerable amount
the 3 national parks
The Big Pit Mining Museum
Portmadoc
Barry
Porthcawl
Portmeirion - where the cult series The Prisoner was filmed
Kidwelly
Cardiff, Swansea and Newport all have features and places to visit
Cyfatha Pak (Merthyr Tydfil Home of the largest iron works in the world during the 1800s)
Castell Coch (the red castle)
Saint Fagons
Prestayn and Rhyl
llandudno
Breacon, Builth wells
Raglan and its castle
Caernarvon and its castle
Museum of wales - Cardiff
The famous Gower peninsular where they have won Blue Flag awards for the high standards of their beaches
And at points throughout the year the BBC Studios where Doctor Who is filmed
To name just a few