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Happy Valley is an area in the city of Elizabethton and adjacent unincorporated Carter County, Tennessee, on the west side of Elizabethton. Happy Valley has a historical association with the Taylor family estate based at Sabine Hill. Happy Valley had a post office from 1850 until 1900. Nathaniel Green Taylor was the first postmaster.The Carter County Board of Education operates three schools in Happy Valley: Happy Valley Elementary School, Happy Valley Middle School, and Happy Valley High School.

Biltmore is an unincorporated community and census-designated place (CDP) in Carter County, Tennessee. It was first listed as a CDP prior to the 2020 census.It is in the northwest part of the county, with the city of Elizabethton, the county seat, bordering it to the south, across the Watauga River. Tennessee State Route 400 runs through the southern part of the community, leading south into Elizabethton and west 5 miles (8 km) to Watauga. U.S. Route 19E runs along the northeast edge of Biltmore, leading north 7 miles (11 km) to U.S. Route 19W at Bluff City and south through Elizabethton 25 miles (40 km) to Elk Park, North Carolina. Biltmore is drained by Lacy Hollow, Campbell Branch, and Stout Branch, which all flow south to the Watauga River. The Watauga flows west to the South Fork of the Holston River at Boone Lake, and is part of the Tennessee River watershed.

The Doe River is a tributary of the Watauga River in northeast Tennessee in the United States. The river forms in Carter County near the North Carolina line, just south of Roan Mountain State Park, and flows to Elizabethton.

Elizabethton () is a city in, and the county seat of Carter County, Tennessee, United States. Elizabethton is the historical site of the first independent American government (known as the Watauga Association, created in 1772) located west of both the Eastern Continental Divide and the original Thirteen Colonies. The city is also the historical site of the Transylvania Purchase (1775), a major muster site during the American Revolutionary War for both the Battle of Musgrove Mill (1780) and the Battle of Kings Mountain (1780). It was within the secessionist North Carolina "State of Franklin" territory (1784–1788). The population of Elizabethton was enumerated at 14,176 during the 2010 census.

The Elizabethton Covered Bridge is a 134-foot (41 m) covered bridge over the Doe River in Elizabethton, the county seat of Carter County, Tennessee. The Elizabethton Covered Bridge was constructed in 1882 and connects 3rd Street and Hattie Avenue.

The Overmountain Victory National Historic Trail (OVHT) is part of the U.S. National Trails System, and N.C. State Trail System. It recognizes the Revolutionary War Overmountain Men, Patriots from what is now East Tennessee who crossed the Unaka Mountains and then fought in the Battle of Kings Mountain in South Carolina.

Sycamore Shoals State Historic Area is a state park located in Elizabethton, in the U.S. state of Tennessee. The park consists of 70 acres (28.3 ha) situated along the Sycamore Shoals of the Watauga River, a National Historic Landmark where a series of events critical to the establishment of the states of Tennessee and Kentucky, and the settlement of the Trans-Appalachian frontier in general, took place. Along with the historic shoals, the park includes a visitor center and museum, the reconstructed Fort Watauga, the Carter House (at a satellite location in Elizabethton) and Sabine Hill (also at a satellite location in Elizabethton). For over a thousand years before the arrival of European explorers, Sycamore Shoals and adjacent lands had been inhabited by Native Americans. The first permanent European settlers arrived in 1770, and established the Watauga Association—one of the first written constitutional governments west of the Appalachian Mountains—in 1772. Richard Henderson and Daniel Boone negotiated the Treaty of Sycamore Shoals in 1775, which saw the sale of millions of acres of Cherokee lands in Kentucky and Tennessee and led to the building of the Wilderness Road. During the American Revolution, Sycamore Shoals was both the site of Fort Watauga, where part of a Cherokee invasion was thwarted in 1776, and the mustering ground for the Overmountain Men in 1780.

WBEJ (1240 AM) is a radio station licensed to Elizabethton, Tennessee, United States, the station serves the Johnson City-Kingsport-Bristol area. The station is currently owned by Cb Radio.

Fort Watauga, also known as Fort Caswell, was a fortification located in the Watauga River's Sycamore Shoals near modern-day Elizabethton, Tennessee. It was constructed from 1775 to 1776 by the Watauga Association, a semi-autonomous government founded by American settlers living near the river, to defend the settlers against attacks from British-allied Indians. The fort was originally named Fort Caswell after the governor of North Carolina, Richard Caswell.In the 1970s, as part of the United States Bicentennial celebrations, the government of Tennessee authorized a reconstruction of Fort Watauga. A group of archaeologists conducted excavations in the Sycamore Shoals area and uncovered several trenches believed to have been part of the fort's walls. The fort was then rebuilt based on information gained about the fort's design from the excavation, descriptions of the fort in historical sources, and the general design of typical Appalachian frontier forts. The reconstructed fort is now part of Sycamore Shoals State Historic Park.

The Sycamore Shoals of the Watauga River, usually shortened to Sycamore Shoals, is a rocky stretch of river rapids along the Watauga River in Elizabethton, Tennessee. Archeological excavations have found Native Americans lived near the shoals since prehistoric times, and Cherokees gathered there. As Europeans began settling the Trans-Appalachian frontier, the shoals proved strategic militarily, as well as shaped the economies of Tennessee and Kentucky. Today, the shoals are protected as a National Historic Landmark and are maintained as part of Sycamore Shoals State Historic Park.Explorer James Robertson (later a founder of Nashville) identified the alluring flatlands at Sycamore Shoals, known as the Watauga Old Fields, in 1770, and led a group of colonists to the area shortly thereafter. In 1772, the Watauga settlers established the Watauga Association, one of the first constitutional governments west of the Appalachian Mountains and the "germ-cell" of what would later become the state of Tennessee.In 1775, Richard Henderson and Daniel Boone negotiated the Treaty of Sycamore Shoals, in which Henderson's Transylvania Company purchased a large part of modern Kentucky and part of Tennessee from the Cherokee. The following year, the Watauga settlers successfully repelled one arm of a Cherokee group contesting land near Fort Watauga in a struggle that saw the creation of numerous stories surrounding figures such as Nancy Ward and John Sevier. In 1780, at the height of the American Revolutionary War, the frontier militia known as the Overmountain Men mustered at Sycamore Shoals as it prepared to march across the mountains en route to victory over British loyalists at the Battle of Kings Mountain.

Big Spring is an unincorporated community in Carter County, Tennessee, United States.

Sabine Hill, also known as Happy Valley, Watauga Point, and the General Nathaniel Taylor House, is a historic house in Elizabethton, Tennessee. The two-story Federal style building was listed on the National Register of Historic Places in 1973. It is an excellent example of federal architecture. It was threatened by demolition in 2007 when the owners sought to have the property rezoned for apartments. The rezoning request was denied and the home was bought by several preservation-minded locals who secured it until the State of Tennessee/Tennessee Historical Commission could purchase the museum-quality property. It is now restored and opened to the public on November 1, 2017, as a unit of Sycamore Shoals State Park. The property is operated by the Park under a memorandum of understanding with the Tennessee Historical Commission.