Historic Tunnel Hill railway tunnel for lease, though owner says it 'wouldn't be a great place to live' - ABC News
Historic rail tunnel to be opened to community following new funding injection, Blue Mountains Gazette
Tunnel Hill Heritage Center and Historic Railroad Tunnel
Puerto Suello Hill Tunnel - Wikipedia
Our Story, Tunnel Hill
Historic Western & Atlantic Railroad Tunnel & Museum, Official Georgia Tourism & Travel Website
Lyttelton road tunnel - Wikipedia
John Henry and the Coming of the Railroad - New River Gorge National Park & Preserve (U.S. National Park Service)
The Lyttelton (Moorhouse) Railway Tunnel Opened – 9th December 1867
Tramping in the New Zealand backcountry: NZ Bush Adventures: Railway Tunnel Hill Walk, North Catlins, South Otago: 2nd October 2022
Rail Express Jan/Feb 2018 by Prime Creative Media - Issuu
The Tale of Two Tunnels Tunnel Hill Heritage Center and Museum
Tunnel Hill Heritage Center and Historic Railroad Tunnel
