Jerónimos Monastery, Lisbon

Postmarke Olival Basto, dated 10 June 2008.
Lisboa
Mosteiro dos Jerónimos ao entardecer.
The Jerónimos Monastery in the evening.

This is yet another of the sites I hadn't heard of before postcards came into my life. :)  The monastery was founded in 1450 or so, by Henry the Navigator, a Potuguese prince who started Euorpean exploration of the world.