A look inside
Double pages like a printed guidebook, with links in the PDF: every place and every QR code leads to its current page on this site.
What's inside
- Ticket compass: all 18 places compared – admission, booking rules, bottlenecks, age limits, photo rules and accessibility.
- Five chapters: France and Britain, Italy, Central Europe, Germany and Türkiye – each with a map.
- A double page for every place with history, “Before you go” and a box on “What others get wrong”.
- Three theme routes: bones, crypts and Capuchins · bunkers and the Cold War · water beneath the city.
- Places by occasion: no booking, with children, free, step-free, photos allowed. Plus an index of every site.
The 18 places in the book
Each place has a detailed page on this site with current opening hours, prices and tickets.
Paris Catacombs
Six million dead, 200 at a time: how to get a ticket.
Underground London
War Rooms, ghost stations, deep shelters: prices and tickets for 2026.
Dover Castle Tunnels
Wartime tunnels, hospital, medieval passages: 2026 prices and access.
Underground Edinburgh
A lane buried in 1753, bridge vaults from 1788: which is which?
Catacombs of Rome
Five catacombs, five different closing days: 2026 prices and rules.
Underground Naples
Five operators, one name, and no ticket that covers them all.
Underground Matera
No guide, no booking: 15 minutes and €3 under the main square.
Capuchin Catacombs
1,252 mummies, a €5 ticket sold only at the door, and no photos.
Underground Vienna
Three crypts, one film sewer, no joint ticket: 2026 prices and times.
Underground Prague
Buried streets, not tunnels: 2026 prices and who speaks English.
Underground Pilsen
13 km of cellars, 800 m walkable, and shut for all of January.
Underground Budapest
Two closing days, two rival labyrinths, one $4.50 trap.
Underground Krakow
Free on Tuesdays, shut every second Monday, and not a salt mine.
Underground Berlin
Eight tours in English, and a car park where the bunker was.
Underground Hamburg
A free roof garden on a flak tower, and very few tours in English.
Underground Nuremberg
Beer cellars, not catacombs – and English tours at four of eight sites.
Basilica Cistern Istanbul
336 columns, two tariffs: prices, queue and the pass myth.
Cappadocia Underground Cities
Derinkuyu or Kaymaklı: 2026 prices, open levels, tight corridors.
Frequent questions
Is the PDF really free?
Yes. Download it without signing up, keep it, print it and share it unchanged.
How up to date is it?
Everything was checked against sources as of September 2026. Because hours and prices change, every place in the PDF links to its current page on this site.
Which places are included?
Paris, London, Dover, Edinburgh, Rome, Naples, Matera, Palermo, Vienna, Prague, Plzeň, Budapest, Kraków, Berlin, Hamburg, Nuremberg, Istanbul and Cappadocia – with 94 individual underground sites.
Can I read it on my phone?
Yes. It is A5, 12 MB, and every link is clickable.
Is there a printed edition?
A print-on-demand edition is in preparation.
Is there a German edition?
Yes, as “Stadtunterwelten Europas” on unterwelt-atlas.de.




