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Subterranea refers to underground structures, both natural (such as caves) and man-made (such as mines). Some subterranean features are secret places (see also Category:Secret places); most, like road tunnels, subway systems and sewers, are parts of public infrastructure.
This category has the following 15 subcategories, out of 15 total.
- ► Ancient Roman tombs and cemeteries in Rome (1 C, 8 P)
- ► Fictional subterranea (2 C, 30 P)
- ► Subterranean Hong Kong (2 C, 5 P)
- ► Mines (5 C, 1 P)
- ► Sinkholes (23 P)
Pages in category "Subterranea (geography)"
The following 41 pages are in this category, out of 41 total.