Poignant place frequently visited in Germany's capital (8)
I believe the answer is:
haunting
'poignant' is the definition.
(I've seen this before)
'place frequently visited in germany's capital' is the wordplay.
'place frequently visited' becomes 'haunt' (I've seen this before).
'in germany's capital' becomes 'ing' (I can't explain this - if you can you should believe this answer much more).
'haunt'+'ing'='HAUNTING'
Can you help me to learn more?
(Other definitions for haunting that I've seen before include "A show of spirit" , "Persistently troubling" , "Lingering in the mind, like ghost" , "pursuit of ghosts" , "Willing to take chances" .)