Last badge is Castle (Level 2)
22
Monument
Level 4
13
Square
Level 4
8
Bridge
Level 3
3
Opera house
Level 3
9
Palace
Level 2
7
Castle
Level 2
7
Cathedral
Level 2
5
Tower
Level 2
4
Arch
Level 2
4
Temple
Level 2
2
Hill
Level 2
6
Church
Level 1
6
Historical site
Level 1
4
Promenade
Level 1
4
Museum
Level 1
3
Park
Level 1
3
Ruin
Level 1
2
Island
Level 1
2
Fortress
Level 1
1
Canal
Level 1
1
Strait
Level 1
1
Historic region
Level 1
1
Amphitheater
Level 1
1
Shrine
Level 1
1
River
Level 1