At covent garden here is here address I got from google maps: Covent Garden London WC2E 7BB
It's free! But if you wish to make a donation (which everyone who goes should), I'm pretty sure it would be gladly and gratefully accepted.
It's free, but you can (and should) make a donation.
1 Bunhouse Road Glasgow, G3 8DP
Only when referring to the British Museum