Rathaus and main market square:
St. Nicholas Church (Nikolai-kirche): The center of the Monday Demonstrations in 1989 which lead to the peaceful downfall of the DDR (http://en.wikipedia.org/wiki/Monday_demonstrations_in_GDR). A lone column outside the the church, that matches the inside columns and ceilings.
St. Nicholas Church, outside:
Beautiful columns and interior:
Detail on the ceiling is amazing:
The old stock exchange:
St. Thomas Church, a few facts: Johann Sabastian Bach was a choir director here from 1723 until his death in 1750, Mozart played the organ here, Martin Luther gave a sermon here, and Wagner was baptized here (more http://en.wikipedia.org/wiki/St._Thomas_Church,_Leipzig):