Estonia · Toompea and the Old Town
The bastion tunnels under Toompea
Kiek in de Kök museum runs guided walks through the 17th-century bastion tunnels under Toompea, used as shelters in the war and by punks in the 80s.
When: Tunnel tours run all year; book a slot, they sell out on weekends.
Seen on @tworoamtheworld on TikTok, 451k views.