Igreja de Santa Engrácia (Panteão Nacional)

Mannerist church from the 17th century, altered in the 18th century in the Baroque style.

The Igreja de Santa Engrácia is a large Baroque church of the 17th century in the Freguesia São Vicente in the Portuguese capital Lisbon. The church, which was only completed in the 20th century, now serves as the National Pantheon (Panteão Nacional) and has never been used as a church.
Source: Wikipedia

Hmmm... it's too pompous for me, too monumental, too oversized... there's no real beauty there, the architect rather opted for a powerful effect...

Started in the 17th century, it was not until nearly 300 years later that the impressive dome of today was added.