Tallinn Bastion Tunnels

The Bastion Tunnels beneath Tallinn's streets date back to the 17th century, originally constructed for military purposes. These tunnels played a critical role during various conflicts, providing shelter and a strategic advantage. Visitors can explore the eerie corridors which have been transformed into a fascinating museum, complete with exhibitions detailing their historical use. Guided tours are available, offering insights into their significance during the Swedish and Soviet eras.