Exploration: Trails
- Dunderberg Spiral Railway
- Follow the trail of a pleasure railroad partially constructed in 1890-1891 on a mountain near Jones Point, New York.
- http://www.columbia.edu/~brennan/dunderberg/
- Exploration. Maps. New York. Railroads. Trails.
- Nepaview: Old Railroads of Northeastern Pennsylvania
- The site's author has walked extensive sections of the Erie, O&W, CNJ, and D&H railroad right-of-ways in Northeastern PA and has documented his discoveries with photos. An excellent, detailed view of the current state of these abandonments.
- http://www.nepaview.piczo.com/
- Abandonments. Exploration. Maps. Mines. Pennsylvania. Railroads. Regional History. Trails.