That's how many LED bulbs the 46-year-old is using for "The Bay Lights, " an art installation that will illuminate the western span of the San Francisco-Oakland Bay Bridge for the two years, starting March 5.

WSJ: The Vision for Lighting the Bay Bridge

For an unforgettable experience, take a night walk to the arched cave and waterfall at Natural Bridge under the western ramparts of the Springbrook plateau, which is alight with fairy-like blue-green lights given off by the millions of bioluminescent glow worms that line the cave roof and the steep earth banks along the rainforest path.

BBC: Exploring Queensland��s rainforest hinterland