One of the least-known uses of the St Pietersberg quarry tunnels was as a once-top-secret NATO HQ to be used in times of nuclear conflict. The hospital-like tiled interior, abandoned in 1992, remains relatively intact but as yet the site can only be visited on rare guided tours, one weekend a month. Book online.
NATO War Command
Maastricht
Lonely Planet's must-see attractions
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28.75 MILES
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Nearby Maastricht attractions
1.29 MILES
Set within a deep-cut dry moat, this hefty five-sided brick fort once formed the city's southern defence and is linked to a network of underground tunnels…
1.29 MILES
Maastricht Underground runs spooky, amusing and fascinating tours into sections of the vast tunnel network beneath St-Pietersberg massif. Departures run…
1.34 MILES
This gigantic network of quarry-tunnels date back centuries but are most intriguing for their occasional charcoal murals and the stories linked to their…
1.76 MILES
Of countless battles and sieges that have afflicted Maastricht, the best known was in 1673 when Louis XIV's French army took the city guided by master…
2.08 MILES
This attractive 17th-century Gothic church has a soaring if relatively unadorned interior and a 43m limestone tower whose deep red hue was originally…
2.08 MILES
This rough-cut-stone tower-gateway dating from 1229 dominates the most impressive of several fragmentary sections of medieval city wall. You can look…
2.1 MILES
Exhibitions in this small museum change every few months but even if the current subject doesn't interest you it's worth popping your head inside.
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Built above and around the shrine of St Servaas (Servatius), the first bishop of Maastricht, the basilica presents an architectural pastiche whose…