The small island of Masaki in central Japan's Ago Bay was once called Treasure Island because of the riches pearl cultivation brought to its residents.

CNN: ASIANOW - TIME Asia

The Artemis boat flipped in winds of about 20 knots near Treasure Island, which is bisected by the Oakland-San Francisco Bay Bridge.

WSJ: Olympian Dies in Capsize of America's Cup Boat

Though the urban winery trend blossomed in East Bay cities such as Oakland, Alameda and Emeryville, in the mid 1990s, the emergence of San Francisco wineries has happened mostly over the last decade, explained Bryan Kane, co-founder and winemaker at Winery SF on Treasure Island, which is connected to downtown San Francisco via the Bay Bridge.

BBC: San Francisco��s urban wine renewal

About 2, 500 people currently live on Treasure Island, a man-made island in the middle of San Francisco Bay that dates back to the late 1930s and is connected to San Francisco and Oakland by the Bay Bridge.

WSJ: China in Talks With U.S. Home Builder

Our final host is Tiffany Shlain, filmmaker and founder of the Webby Awards, whose first hidden treasure is the Wave Organ, a wave-activated acoustic sculpture located on a jetty in the San Francisco Bay.

BBC: The Real San Francisco