What attractions are in Caerphilly castle?

Answer:

Caerffili castle is either the largest or the second largest castle in the UK (it is difficult to precisely measure the absolute size of Dover). The castle's double-keep with integral moat construction is its main attraction, though there is also a display of medieval siege-engines which are sometimes operated.
The leaning tower is also popular with visitors.

First answer by Thallassocracy. Last edit by Thallassocracy. Contributor trust: 92 [recommend contributor recommended]. Question popularity: 1 [recommend question].