Urban Exploration
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- Flickr: Abandoned Hamburg
- Hamburg pictures which show empty places, empty spaces in urban places - no people or animals.
- 22
- Flickr: Eksploracja Polska (Industrial & Abandoned)
- Photos that show Polish abandoned and forgotten sites and objects.
- 23
- Flickr: European Urban Exploration
- Photos of urban exploration in Europe. Disused, abandoned, derelict places, factories, building sites and sewers.
- 24
- Flickr: HUNGARIAN Castles and Ruins
- Castles and ruins through the Hungarian history. Add the history when possible.
- 26
- Forbidden Places
- Photos galleries and historical information of urban exploration sites around the world (underground quarries, catacombs, mines, abandoned buildings, military domains).
- 29
- Plzen Historical Underground
- Remnants of a medieval water system under the town of Plzen, Czech Republic.
- 30
- Still Alive
- Italian abandoned places. Mostly factories: textile, steelworks, brickworks, automobile plant, cotton mill.
- 31
- Third Reich in Ruins
- Although more academic than adventurous, this site offers a collection of maps, pictures and snippets of trivia useful to those seeking military leftovers in Germany.
- 32
- Urban Resources
- A resource fund devoted to photography, architecture, industrial archaeology and urban exploration realized in close collaboration with ZoneTour.org.
- 36
- Flickr: Man with Van
- This group is for pictures of signs and flyers of men (and women), advertising their vans for hire or the actual, preferably road-beaten, rusty, graffiti-covered and crudely-painted vans themselves.