With an astounding nine Unesco World Heritage sites, Germany's oldest city shelters the country's finest ensemble of Roman monuments, among them a mighty gate, amphitheatre, elaborate thermal baths, imperial throne room, and the country's oldest bishop's church, which retains Roman sections. Architectural treasures from later ages include Germany's oldest Gothic church, and Karl Marx' baroque birthplace.
These are the top experiences and sights in Trier, according to Lonely Planet.
