The biggest of northern California’s giant redwood trees grow more than 250 ft. tall, with a circumference greater than 90 ft. at their base. The oldest have seen more than 3,000 years.

Did you know the world's tallest living tree is in Redwood National Park? Before you start packing to check it out, you should know it's illegal to hike to it.

Are you the owner of a big dawn redwood? It could be eligible for inclusion on the Michigan Big Tree Register. This sequoia species is known to grow up to 140 feet tall and 6 feet in diameter ...