The tides happen because of the gravitational pull of the moon and the sun, but they become more extreme when the sun, moon and Earth are aligned.

The Crystal Springs Rhododendron Garden features more than 2,500 rhododendrons, azaleas and other companion plants.

As the oldest art museum in the Pacific Northwest, the Portland Art Museum set the bar high for its patrons. It is home to Oregon's most ... and an area devoted to photography.