Underground
#Urban legends
#Notorious crimes
#Momentous events
#Movie mania
#Science uncovered
#Spy stories
#Military and Cold War
#Big names
#Music legacy
#Book links
#Ancient relics
#Hangouts with a twist
#Underground
#Industrial heritage
#Art connections
#Offbeat history
#Architecture and design
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#Abandoned places
#Toponyms
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Sylvia Pankhurst's Anti-Air War Memorial
The Bronze Emperor of Trafalgar Square
The bronze statue of Lord Nelson in Birmingham
Noors slott
Ledingevägen 93, Knivsta
Nik Frost 
A solar energy park at Näsbyholms slott
Bjärka-Säby gamla slott: A stone manor in Östergötland
The Raoul Wallenberg Monument in Gothenburg
Love and loss: The haunting legacy of Teleborg Castle
Aal: The Medieval Seat of Power,seen through the remains of Sten Haraldsson
A 18th-century fortress once a symbol of Sweden's military might, now a hotel
The medieval stronghold that stood guard for three centuries
The Viking Age trading center and Christian settlement: Birka and Hovgården
Living Underground
Pl. Del Padre Poveda, 33, Guadix, Granada, Spain
Beneath Guadix and the Desert Beyond
Holly Golightly 
Caves, Kilns & Chipmunks
Mina de Agua: The Hidden Lifeline of Ronda
Humanity's Doomsday Insurance Policy
Svalbard, Norway
Holly Golightly 
Deep Sleep in a Victorian mine
Tanygrisiau, Blaenau Ffestiniog LL41 3TP, UK
Holly Golightly 
Sauna: 80 meters under
Krongruvvägen 50, Idkerberget, Sweden
Nik Frost 
King's secret tunnel
Pionen civil defence bunker
Elefanten secret nuclear bunker
Atlas Copco's underground testing tunnels
Stockholm Royal Library underground vaults
Carpark in a nuclear bunker
Hidden entrance to a bunker
Abandoned bunker in the woods
Peep into a nuclear bunker
Komandandi tee 2, 10130 Tallinn, Estonia
Tallinn: iconic filming locations and abandoned giants Holly Golightly 
Red Granite for Milan and Paris
Ancient marble quarries (Paros)
Art Gallery in the WWII Bomb Shelter (Milos)
Old sulfur mine (Milos)
Railway station goes underground
Underground weapons production facility
Ågesta underground nuclear power station
Nuclear reactor near Stockholm's heart
Solna Centrum
Solna centrum T-bana, Centralvägen, 171 45 Solna, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Tekniska Högskolan
Tekniska högskolan, 114 28 Stockholm, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Stadion
Valhallavägen 114A, 114 41 Stockholm, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Bagarmossen
Bagarmossen T-bana, 128 43 Bagarmossen, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Rådhuset
Rådhuset, 112 31 Stockholm, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Tensta
Tensta, 163 64 Spånga, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Thorildsplan
Thorildsplan, Thorildsplan, 112 43 Stockholm, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
Kungsträdgården
Arsenalgatan 12, Stockholm, Sweden
Stockholm's most beautiful underground (Tunnelbana) stations Nik Frost 
T-Centralen
The Dominican church and under
Roman forum and basilica
Secret defence facility
Hidden underground bathouse
