Mariposa Grove of the Giant Sequoia is one of three groves in ... There's also the fun California Tunnel Tree, which is the only living sequoia in Yosemite that features a human-made tunnel ...

Continued funding for a giant underground tunnel that would reroute part of drought-prone California's water supply was approved by the Metropolitan Water District of Southern California.

LOS ANGELES (AP) — A Southern California water agency has approved key funding needed to support plans for a giant underground tunnel that would reroute a big part of the state’s water supply ...