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3,623 parks
Theodore Roosevelt Island
Virginia
In the 1930s, landscape architects transformed Mason’s Island from neglected, overgrown farmland into Theodore…
Theodore Roosevelt Island Park
District of Columbia
In the 1930s, landscape architects transformed Mason’s Island from neglected, overgrown farmland into Theodore…
Theodore Roosevelt National Park
North Dakota
When Theodore Roosevelt came to Dakota Territory to hunt bison in 1883, he was a skinny, young, spectacled dud…
Theodore Roosevelt National Wildlife Refuge Complex Headquarters - Panther Swamp National Wildlife Refuge
Mississippi
Established in 1978, Panther Swamp NWR is noted for its large waterfowl population, resident game and its nume…
Therapod
Utah
Recommended Trail Users: Hikers. Two-track. 0.2 miles in length. Difficulty: Easy.This trail leads to the Warn…
Thief Valley Dam and Reservoir
Idaho
Thief Valley Dam and Reservoir are on the Powder River 16 miles north of Baker, Oregon. Most of the 909 acres…
This Is the Place Heritage Park
Utah
Journey back in time at This Is The Place Heritage Park, a collection of more than 50 historic homes and build…
Thomas Cole National Historic Site
New York
In 1825, America was still a new nation, just forming its own unique identity and traditions. Thomas Cole inve…
Thomas Cole National Historic Site
Connecticut
In 1825, America was still a new nation, just forming its own unique identity and traditions. Thomas Cole inve…
Thomas Edison National Historical Park
New Jersey
Today, the brick buildings on Main Street in West Orange, NJ seem quiet, betraying little evidence of the rese…
Thomas Edison National Historical Park
New Jersey
Thomas Edison’s home and laboratory are a step back in time, when machines were run by belts and pulleys and m…
Thomas Jefferson Memorial
District of Columbia
Author of the Declaration of Independence, statesman and visionary for the founding of a nation.
Thomas Jefferson Memorial Memorial
District of Columbia
Author of the Declaration of Independence, statesman and visionary for the founding of a nation.
Thomas Stone National Historic Site
Maryland
Choosing revolution, as Thomas Stone and many others eventually did, was not an easy or inevitable decision fo…
Thomas Stone National Historic Site
District of Columbia
In 1776, Thomas Stone and 55 others signed the Declaration of Independence. In doing so, Stone risked his home…
Thomaston Dam
Connecticut
The Vista picnic area offers visitors excellent views of the dam and portions of the Naugatuck River Valley. …
Thorn Creek Reservoir
Idaho
Small reservoir suitable for non-motorized watercraft, occasionally stocked by Idaho Department of Fish and Ga…
Three Arch Rocks National Wildlife Refuge
Oregon
In October of 1907, Three Arch Rocks National Wildlife Refuge was established as the first National Wildlife R…
Three Kiva Pueblo
Utah
Three Kiva is a stabilized pueblo located in Montezuma Canyon along County Road B146 about seven miles upcanyo…
Three Peaks Recreation Area
Utah
Three Peaks Recreation Area has more than 6,000 acres of thrilling terrain where visitors can explore a pletho…
Three Rivers Petroglyph Site
New Mexico
OverviewThe Three Rivers Petroglyphs are outstanding examples of prehistoric Jornada Mogollon rock art. The ba…
Threemile Creek Trail
Oregon
Located at the far southwestern corner of the Steens Mountain Cooperative Management and Protection Area, the …
Thunder Bay National Marine Sanctuary
Michigan
Thunder Bay National Marine Sanctuary is a marine protected area dedicated to maintaining the Great Lakes and …
Thunderbird Canyon Trail System
Utah