"A while ago, I was driving west, probably to give a talk on stone walls, and I got stuck on Interstate 84. While sitting in traffic, I noticed right next to me was an 18-wheeler loaded with ...

"And it was then when we were sitting together ... they'd stumbled upon a stone wall more than half a mile long that dated back to the Stone Age — one of the oldest such megastructures on ...

Countless stone walls crisscross Massachusetts ... "This is better than sitting in the rocking chair," he said. "They always say exercise is good for longer life. I believe in that." ...

GEERSEN: Then when we were sitting together ... but then at some places where we have a large stone, the direction of the wall changes. DANIEL: Geersen didn't know how such a structure could ...

If this underwater wall could talk, it might reveal that it once helped Stone Age Europeans hunt reindeer ... or the weight of seven mid-size cars) sitting in the middle. Most of the other ...

An initial structure was constructed in the 1960s with load-bearing flagstone walls set on a thin concrete slab and topped with a vault system made of curved bamboo cane. Although no longer ...