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 ...

In person, the tunnel looks far too ... which is one of just 75 groves of sequoia trees in California. Its cousin, the redwood tree, is the tallest tree in the world but sequoias are the largest ...

The troops dug ventilation holes that were camouflaged as termite nests, tree stumps and ... They're called the Cu Chi Tunnels, and tourists travel from around the world to crawl inside.