Visitors to the Ljubljana City Museum can enjoy the Renaissance architectural features of the grandiose museum building. The museum is located in a distinctive mansion from that era. The museum preserves Ljubljana's cultural heritage of the prehistoric era with a collection dating back 4,500 years, to the current charming capital of Slovenia. Its collection includes more than 200,000 objects from the museum representing thousands of years of the Ljubljana region's heritage. The museum is particularly proud of its findings, which are the world's oldest wooden wheels with a wooden axle and wooden point that are about 40,000 years old.