- Golden Gate National Recreation Area (218)
- Point Reyes National Seashore (88)
- Acadia National Park (71)
- Presidio of San Francisco (58)
- Channel Islands National Park (47)
- El Camino Real de los Tejas National Historic Trail (43)
- Olympic National Park (37)
- Gateway National Recreation Area (36)
- Boston National Historical Park (35)
- Show More ...
- Geologic Resources Division (91)
- Northeast Coastal and Barrier Inventory & Monitoring Network (60)
- Inventory and Monitoring Division (20)
- National Register of Historic Places Program (20)
- National Historic Landmarks Program (18)
- San Francisco Bay Area Inventory & Monitoring Network (16)
- Wildland Fire Program (16)
- Ocean Alaska Science and Learning Center (14)
- Natural Resource Stewardship and Science Directorate (12)
- Show More ...
Showing 2,120 results for coastal defense ...
- Type: Article

Each year, millions of tons of plastics enter our world’s oceans. It’s the equivalent of one garbage truck of plastic dumped into the oceans every minute! Ocean plastics don’t just ruin the view, they also harm wildlife, damage coastal habitats, impact local economies, and even threaten human health.
Rosina Corrothers Tucker
- Type: Person

A prominent advocate for labor and civil rights, Rosina Corrothers Tucker played an integral role in the creation of the Brotherhood of Sleeping Car Porters and its International Ladies Auxiliary. She served as a leader in the Auxiliary for several decades and played a role in planning the March on Washington movement in the 1940s.
Congress Hall
- Type: Article

The Gulf Coast I&M Network conducts vegetation monitoring fieldwork once every four years in each park. This article presents a brief project overview and key findings from the 2023 I&M vegetation monitoring event in San Antonio Missions National Historical Park (NHP), Texas, which was the second round of sampling for the park.
Pollinator Garden
- 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.
Glorieta Battlefield-North Loop
New life for interpretive signage
Thoburn's Redoubt
- Type: Place

The Halfway Creek and Loop Trails are accessible from the Gulf Coast Visitor Center in Everglades City or from the Big Cypress Welcome Center on Sea Grape Drive off of US 41. The Creek is 7.3 miles long from the Big Cypress Welcome Center to the Gulf Coast Visitor Center. The upper loop is an additional 3.7 miles. From the Gulf Coast Visitor Center, the Halfway Creek-Left Hand Turner-Turner River loop is 11 miles. Allow 4-8 hours for these trails.
- Type: Article

Fort Des Moines is a military installation in Des Moines, Iowa. During World War I, the fort served as the first and only training site for African American officers. During World War II, Fort Des Moines was the first training site for the Women’s Army Auxiliary Corps (WAAC) and the Women’s Army Corps (WAC), and the only training site for WAC and WAAC officers.
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.
Agat Unit - Apaca Point and Ga'an Point
- Type: Place

Hågat (Agat) Beach was the southern landing beaches used during the Battle of Guam. The rocky outcrops along the beach had been well fortified with caves and bunkers built directly into the limestone headland. With gunports for eyes and rocky ridges for armor, Japanese soldiers turned the terrain itself into a deadly defense. Today, the remains of those fortifications, as well as two examples of Imperial Japanese guns, stand against a backdrop of clear blue ocean.
Access: Sieur de Monts Parking Area
Amache Museum
Asan Beach Unit
- Type: Place

In 1944, this seaside park, known locally as Assan Beach Park, was the site of fierce fighting. Assan Beach was the northern most of the two landing beaches used by American troops during the first days of the Battle of Guam. Today, the Asan Beach Unit is home to remains of the Imperial Japanese defenses and memorials to those who died during the battle.
Assan/Asan Beach
- Type: Place

During the Japanese occupation of Guam, CHamoru were forced to build defenses on the beach, including the pillboxes and bunkers that can still be seen today, in preparation for the American invasion. That invasion came on July 21, 1944, W Day for Guam. While a simultaneous attack took place five miles south at Hågat, the Third Marine Division landed on the 2,500-yard Assan Beach, marking the start of the Battle of Guam.
William Moultrie
- Type: Person

William Moultrie's 2nd South Carolina Regiment successfully defended Charleston Harbor from the Royal Navy in the Battle of Sullivan's Island on June 28, 1776. This Patriot victory marked the beginning of a meteoric rise for Moultrie as he achieved the rank of general and later served South Carolina as governor.
- Type: Person

Banastre Tarleton, a British army officer, famously commanded the British Legion, a provincial regiment composed of loyalist infantry and dragoons, in the southern theater under Lord Cornwallis during the Revolution. Feared for his ruthlessness by the patriots, his early successes in the field earned him notoriety. Defeated at the Battle of Cowpens by Brig. Gen. Daniel Morgan, Tarleton's favor with Cornwallis declined. Tarleton was present at the surrender at Yorktown.