Industrial heritage, watermills and heritage railways.
Spanning Historic Sites & Landmarks (3), plus 1 more niche.
Alderney·Attraction
✦179-year heritage (1847)
A volunteer-run heritage railway operating a 2-mile coastal route on Alderney since 1847, offering rides and experiences.
From their website
Heritage railway rides (Braye Road to Mannez Quarry) (inferred from the source page)
Private charter (up to 80 passengers, from £200) (inferred from the source page)
St Pierre du Bois·Attraction
✦476-year heritage (1550)
This 16th-century water mill, managed by the National Trust, features a restored working waterwheel.
Watermill (inferred from the source page)
Sark·Attraction
✦466-year heritage (1560)
This Sark heritage venue, built in the 1560s, focuses on the island's past, including archaeological displays and talks.
Industrial heritage operator (inferred from the source page)
Alderney·Attraction
A historic 13th-century watermill in Alderney, featuring a restored 17ft waterwheel and a working blacksmith's forge.
Other capabilities nearby in the graph — the count is how many businesses do each.