As many as 3,500 wooden carousels were built at the turn of the 20th century, but only 150 have survived, like the one in California's Santa Cruz.

Experts estimate that as many as 3,500 wooden carousels were built at the turn of the 20th century. Only 150 have survived.

For three days only, roller skating fans in Napa have a place to coast along: a new rink at the BottleRock music festival.

It has been the venue for countless birthday parties, unsupervised teenage meetups and weekly flexing for experienced skaters ...