The Blue Mountains glow worm tunnel near Lithgow — a disused railway tunnel where bioluminescent larvae light the walls in complete darkness. One of the more unusual stops on a Blue Mountains day.
Read MoreThe Zig Zag Railway near Clarence runs heritage steam trains through sandstone cuttings and across 19th-century viaducts. Operates around six days a month — can be included on a Blue Mountains private tour.
Read MoreThe Capertee Valley, Ganguddy pagoda formations and Evans Crown granite tors — the remarkable landscapes west of the Blue Mountains that most Sydney visitors never reach.
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