- Archaeological Zone/Jewish Museum
- Basilica of the Holy Apostles
ca. 12th century
- St. Gereon's Basilica
ca. 12th-13th century
- Basilica of Saint Severin
ca. 10th century
- Basilica of Saint Ursula
ca. 9th-13th century
- Great Saint Martin Church
founded ca. 960 CE, completed 13th century, rebuilt 1950-1980
- Old Banquet Hall
first built 1447
- Heinzelmännchen fountain
1899
- Helen's Tower
ca. 3rd century CE
- Cologne Cathedral
ca. 1248-1880
- Hohenzollern Bridge
originally 1907-1911, reconstructed 1948
- Jan von Werth Fountain
1884
- Little St. Martin
ca. 12th century, partially demolished ca. 1824
- Parish Church of St. Maurice
12th century
- Roman Governor's Palace
ca. 1st-8th century CE
- Cologne City Hall
ca. 14th-17th century
- Roman Fountain
ca. 3rd century CE
- Roman Tower
ca. 3rd century CE
- Romano-Germanic Museum
1974
- Roman City Walls of Cologne
late 1st -3rd century CE
- Roman Sewer
ca. 1st-4th century CE
- St. Cecilia's Church
12th century
- St. George's Church
12th century
- Saint Mary's in the Capitol
11th century
- Church of Saint Pantaleon
founded 10th century
- St. Peter's Church
present building built 16th century
- Old City Gate
ca. 12th century
consecrated 1860
- Ubier Monument
late 1st century CE, wood and pile grid 4th/5th century CE
- Water Tower
1868-1872
