Online Maps
Austria:
Geoland.at
Openandromaps.org
Finnder.org
Searchr Open Street Map
- http://overpass-turbo.eu/
- -> "Wizard"
- Enter e.g. "ruin"
- Select map window
- -> "Run Query"
Austria:
Geoland.at
Openandromaps.org
Finnder.org
Searchr Open Street Map