Do you know your Wonders?

The white sturgeon is the largest freshwater fish in North America. One record-setting specimen, from the Snake River in Idaho in the 19th century, reportedly weighed 1,500 pounds. The white sturgeon typically reaches about 12 feet in length.

Coast redwoods, the tallest trees in the world today, range from central California to southern Oregon. Most of these giants stand between 200 and 300 feet tall, though they can reach more than 350 feet; they can live 2,000 years or longer.

Bering Glacier, near Cordova, Alaska, is the nation's largest glacier. It is about 126 miles long and about 30 miles wide near its terminus. The glacier changes size with fluctuations in the weather and "calves" icebergs into Vitus Lake.

Chesapeake Bay cuts across Maryland and Virginia; it is almost 200 miles long and from 3 to roughly 30 miles wide. The surrounding area encompasses a range of environments, allowing a diverse assortment of plants and animals to flourish.

The Pacific Crest Trail is the nation's longest continuous designated hiking trail, running for 2,650 miles from Mexico to Canada, through California, Oregon, and Washington. It passes through various climate zones and types of terrain and is open to foot and horse travel only.

At its deepest, the bottom of Crater Lake, Oregon, is 1,943 feet below the water's surface; the lake's maximum width is six miles. This beautiful body of water, known for its intense blue color, formed after the collapse of an ancient volcano.

No reason.

The Grand Canyon is 277 miles long. At its widest point, it is more than 15 miles across; at its deepest, it reaches down more than a mile. The Grand Canyon is one of the "Seven Natural Wonders of the World."

Blue whales, found in all the world's oceans, including U.S. waters, are the biggest and loudest animals on Earth. They can emit sounds at a volume greater than 180 decibels in water, but pitched too low for humans to detect without sensitive equipment.

The largest of the five Great Lakes, Superior shares waters with Canada and covers a surface area of about 31,700 square miles. Lake Superior is approximately 350 miles long; its maximum depth is 1,333 feet.