Tree tunnels are roads or lanes with trees on both sides, forming a canopy and providing the effect of a natural tunnel. While some of these tree tunnels are carefully designed by gardeners ...

Add articles to your saved list and come back to them any time. A 95-tonne piece of excavation equipment smashed through a layer of rock under Sydney’s north shore on Monday, connecting a $7 ...

Cave explorers have pushed through narrow gaps in rocky walls to uncover an extra 100 metres of tunnel on South Australia's Limestone Coast, with hopes it may link separate caves together.