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Showing 861 results for scientific observation ...
Hawk's Nest
Jenny Lake Plaza
- Type: Place

Dive deeper into the history of Grand Teton National Park. Interpretive signs introduce topics like the Greater Yellowstone Ecosystem, grizzly bear research, geologic forces and features, glaciers, and the Hayden Survey. A large bronze tactile relief map will help orient you in relation to where you are in the park. Different peaks, canyons, lakes, falls, and other park features are labeled throughout the map.
Jenny Lake Gateway to Wilderness
- Type: Place

Just a short drive from many Mid-Atlantic cities, the Northern Neck National Heritage Area offers a journey back in time. Whether for a day, weekend, or week, you’ll find endless opportunities to explore history, enjoy coastal charm, and experience natural beauty. From historic sites to scenic byways, there’s always something new to discover in this unique corner of Virginia.
Longleaf Pine Trail
Pelagia Melgenak
- Type: Person

To learn the story of Pelagia (also spelled Palakia) Melgenak is to learn the sanctity of shared traditions, the loving bonds of kinship and the reverence of a spiritual connection to the land around you. Born in the late 1870s in the remote village of Savonoski in Alaska, Pelagia grew up learning about hunting, gathering, navigating and guiding in the area. That all changed in 1912 with the hot ash falling like a blanket covering the region with the eruption of Novarupta.
K-25 Gaseous Diffusion Plant
- Type: Place

The K-25 Gaseous Diffusion Plant was the largest building in the world during the Manhattan Project, longer than two Empire State Buildings laid side by side. The plant used the gaseous diffusion method, one of three methods the Manhattan Project used to produce enriched uranium. K-25 no longer exists. Visitors to the K-25 History Center are able to view the location where it once stood.
- Type: Article

Northern Colorado Plateau Network’s scientists use satellite observations of vegetation condition in Curecanti National Recreation Area with climate data over time to reveal how climate influences plant production and phenology. Knowing which of the wide range of 16 vegetation assemblages found in Curecanti are more or less sensitive to climate change can help managers understand what to expect over the next few decades, and plan for the changes coming their way.
Trinity Site, NM
- Type: Place

On July 16, 1945, Manhattan Project scientists detonated the world’s first atomic device, known as “the Gadget,” at 5:29 am Mountain War Time. The US Army conducted the test at the Trinity Site in the Jornada del Muerto desert about 210 miles (337 km) south of Los Alamos, New Mexico. Today the Trinity Site is part of the White Sands Missile Range and can only be visited during a Trinity Site Open House, typically hosted twice a year.
Biscuit Basin Trailhead (OK4)
Yavapai Geology Museum
- Type: Place

Open daily: 8 am - 7 pm. Yavapai Geology Museum offers one of the best vantage points for an overview of Grand Canyon geology. The building is right on the very edge of the canyon rim at Yavapai Point, The Museum Features: a bookstore and museum shop, large picture windows for viewing the canyon, and a variety of exhibits about the geology of Grand Canyon. Restrooms are in a separate building adjacent to the parking lot. The shuttle bus stop is also on the parking lot.
Discovery Spot: Gopher/Marten
- Type: Place

Welcome to the Discovery Trail. As you travel down this path, use all of your senses to detect the plants and animals that make this place their home. Observe all that you discover, inducing clues to animal presence such as tracks and burrows. Linger at each of the benches along the path and try to unravel the stories of plant and animal interconnections.
Teaming Up for Science
- Type: Article

A new partnership began in October 2021 and supports science and stewardship activities that benefit both parks and their local communities. Over the next five years parks and their communities will collaborate to identify and address their scientific priorities. Projects in the first year will focus on water quality, marine biodiversity, and preservation of night skies.
- Type: Person

Charles Lee, former British Army officer, became the second highest ranking general of the Continental Army during the American Revolution. On June 28, 1776 he oversaw the victory at the Battle of Sullivan's Island in Charleston, SC. Two years later, his retreat on the field at the Battle of Monmouth Courthouse would result in his court martial and the end of his military career. Learn more about this controversial figure here.
132nd Pennsylvania Volunteer Infantry Monument
Desert View Watchtower
- Type: Place

Desert View Watchtower Retail Store (View Room) is open daily: 8 am to 6 pm. The upper floors of the tower are open, when staffing allows, from 8:00 am to 4:00 pm. The last tower access is at 5:00 pm, with the stairs closed for the day at 5:30 pm. A ticket system admits 25 people with a 20-minute time limit. A National Historic Landmark, the Watchtower was constructed in 1932.The design by Mary Colter is based on Ancestral Puebloan architecture found in the southwest.
Park Store at the Visitor Center - Grand Canyon Conservancy
- Type: Place

Hours of Operation —Open 8 am to 7 pm daily. Located on the south side of Grand Canyon Visitor Center Plaza, adjacent to parking lot 4. This large store features books, maps, apparel, souvenirs, and gifts to help you plan, or share your trip to Grand Canyon with friends and family back home. A large variety of publications provide in-depth information about the canyon's geology —as well as natural and cultural history.