Challenging 1000-piece jigsaw puzzles for Adults from MyPuzzle. Intensely colorful with top-quality printing ink Precision cutting dies provide a variety of shapes and accurately fitting jigsaw puzzle pieces, and we are proud of our puzzle dies for adults with 1000 pieces and up Only high-quality, genuine blue puzzle cardboard with a premium thickness of approximately 0.08 inches is used to ensure a durable and long-lasting puzzle-solving experience 100% Made in America! Every 1000 pieces jigsaw puzzle is made in and shipped right here in the USA! A reference poster, approximately 13x17.5 inches in size, is included to assist with puzzle solving. It serves as a visual reference to aid in assembly. Officially licensed by Havana Puzzle Company 1000-piece Jigsaw Puzzle Sequoia National Park - Tunnel Log, Vintage Travel Poster from the Havana Puzzle Company Collection by MyPuzzle. Sequoia National Park is known for its majestic trees and pristine nature.One of the park's most impressive highlights is the Tunnel Log.This giant fallen log forms a tunnel and is a fascinating natural wonder.The Tunnel Log is a huge tree trunk that has fallen over to form a tunnel that cars and visitors can drive through.The log is 21 feet tall and 17 feet in diameter.The tunnel was built by the National Park Service in 1937 and has been a popular attraction at the park ever since.