contains one of the narrowest and steepest river gorges in the country - as narrow as 40 feet at one feet at one point.

One example of a river gorge that fits this description is the Black Canyon of the Gunnison in Colorado, United States. The Black Canyon features some of the steepest and narrowest sections of any river gorge in North America. At its narrowest point, the canyon is only 40 feet wide, with incredibly steep and sheer walls towering over 2,700 feet above the Gunnison River.

named for a change of direction of a river. Texas

One example in Texas that fits this description is the Big Bend of the Rio Grande. The Big Bend refers to a section of the Rio Grande River that changes its course abruptly and forms a large bend or curve in the southwestern part of Texas, along the border with Mexico. The river takes a significant turn towards the southeast, creating a prominent bend in the landscape. The Big Bend region is known for its stunning canyons, cliffs, and desert scenery, attracting visitors from around the world.

the largest archaeological preserve in the US, with over 600 cliff dwellings. Colorado

Mesa Verde National Park in Colorado is the largest archaeological preserve in the United States, featuring over 600 cliff dwellings. The park is renowned for its well-preserved and intricate Ancestral Puebloan cliff dwellings, which were constructed around 1,400 years ago. These impressive cliff dwellings were built into alcoves and caves within the massive sandstone cliffs of the Mesa Verde plateau. Mesa Verde is a UNESCO World Heritage Site and offers visitors a unique opportunity to explore and learn about the ancient culture and history of the Ancestral Puebloans.

home of the worlds second largest measured tree. California

The home of the world's second-largest measured tree is California. More specifically, the tree in question is known as the General Grant Tree, located in Kings Canyon National Park. The General Grant Tree is a giant sequoia (Sequoiadendron giganteum) and is estimated to be around 1,650 years old. It stands at a height of approximately 267 feet, with a circumference of about 107 feet at the base. This massive tree has earned the distinction of being the second-largest measured tree globally, second only to another giant sequoia named the General Sherman Tree, which can be found in Sequoia National Park, also in California.

Made up of 7 islands at the end of the florida keys. Florida

The description provided corresponds to the Dry Tortugas National Park, located at the end of the Florida Keys in Florida. This national park consists of a group of seven islands, with the main island being Garden Key. The park is renowned for its clear blue waters, vibrant coral reefs, and historical significance. One of its most famous attractions is Fort Jefferson, a 19th-century coastal fortress situated on Garden Key. The Dry Tortugas National Park offers visitors opportunities for snorkeling, diving, birdwatching, and exploring the rich marine life and historical sites in this remote and protected area.

Named after a dormant volcano within a park. HI