sentence: Some interesting buildings are in the old part of town.
sentences_before: The main place to see in the town is the Lenzburg castle. It was built in the 11th century and has been added onto several times. Lenzburg is among the oldest and most important high-castles in Switzerland. Some of the city wall has been kept and is now under protection.
concept_name: interesting building
headings: Lenzburg Places of interest
categories: Municipalities of Aargau