Pennsylvania

Pennsylvania is the fifth most populous state, with 13 million residents across 46,054 square miles. Harrisburg is the capital, but Philadelphia (1.57 million; metro 6.2 million), the sixth-largest US city, and Pittsburgh (302,000; metro 2.4 million) anchor two genuinely distinct halves of the state, connected by a band of mid-sized industrial cities in between.

Pennsylvania is "The Keystone State," geographically and politically central among the original 13 colonies, and its name literally means "Penn's Woods" — William Penn named it for his father, Admiral William Penn. Philadelphia served as the capital of the United States from 1790 to 1800, and both the Declaration of Independence and the Constitution were written there; Gettysburg, in the south-central part of the state, was the turning point of the Civil War. Geographically, Pennsylvania is dominated by the Appalachian Mountains — a series of long, parallel ridges and valleys running northeast to southwest across the center of the state, with the Allegheny Plateau's forested hills to the west and the Piedmont lowlands around Philadelphia to the east.

Pennsylvania's economy runs on a genuine mix of legacy and modern industries: the state sits atop the Marcellus Shale, one of the largest natural gas formations in the world, making it the second-largest gas producer in the country after Texas, while UPMC in Pittsburgh and Penn Medicine in Philadelphia anchor world-class healthcare systems. Pennsylvania also produces 65% of the country's commercial mushrooms, almost entirely from Chester County around Kennett Square, the self-styled "Mushroom Capital of the World."

Pennsylvania is defined by ridge-and-valley Appalachian terrain rather than dramatic individual summits. Mount Davis (3,213 ft), the state's highest point, sits on a broad, spruce-fir forested plateau in Somerset County, reachable by a short walk from a parking area — a modest summit that surprises visitors expecting something more rugged. Blue Mountain, the easternmost and most continuous ridge in the state, carries the Appalachian Trail for much of its Pennsylvania traverse, and Hawk Mountain Sanctuary, perched on its crest, is the most important raptor migration observation point in the eastern US — more than 20,000 broad-winged hawks have passed in a single September day.

Ricketts Glen and the Pennsylvania Grand Canyon

Ricketts Glen State Park holds Pennsylvania's single most spectacular trail: the 7.2-mile Falls Trail descends through 22 named waterfalls, culminating in the 94-foot Ganoga Falls, the tallest in the state, through old-growth hemlock forest draped in moss. Pine Creek Gorge, nicknamed the "Pennsylvania Grand Canyon," runs 1,000 feet deep and four miles wide through Tioga County — the Leonard Harrison State Park overlook, 800 feet above the gorge floor, gives the definitive view, especially in October when the valley's hardwoods turn brilliant red and gold.

The Delaware Water Gap and Laurel Highlands

The Delaware Water Gap, where the Delaware River cuts through Blue Mountain in a glacially modified gorge, forms the finest mountain-river scene in the mid-Atlantic — Dingmans Falls, at 130 feet, is the tallest waterfall in the state accessible by a paved, wheelchair-friendly trail. In the southwest, Ohiopyle State Park centers on the Youghiogheny River Gorge, considered the finest whitewater rafting river in the eastern US, with the Meadow Run Natural Waterslides giving non-rafters their own way to experience the water. Frank Lloyd Wright's Fallingwater, built directly over a waterfall on Bear Run nearby, has been called the greatest American architectural achievement of the 20th century — the view from its cantilevered terraces, with the falls sounding directly below, is arguably the greatest designed view in American architecture.

Presque Isle and Cook Forest

Presque Isle State Park, a dynamic sand spit jutting into Lake Erie, is Pennsylvania's only real seacoast-equivalent landscape, migrating eastward roughly four feet a year and drawing major concentrations of migratory birds each spring and fall. Cook Forest State Park protects some of the finest remaining old-growth white pine and hemlock forest in the state, its Forest Cathedral area holding trees more than 150 feet tall that escaped the most intensive era of 19th-century logging.

Pennsylvania's two major cities have genuinely different characters despite sitting in the same state, connected by a band of mid-sized industrial cities in between.

Philadelphia

Philadelphia (1.57 million; metro 6.2 million) was the largest English-speaking city in the world outside London for much of the 18th century, and its character today is still built around that Revolutionary history alongside genuine immigrant neighborhood culture — the Italian Market on 9th Street is the oldest outdoor market in the country, and Reading Terminal Market is considered the finest indoor food market in the US. The Philadelphia Museum of Art, the third-largest in the country, anchors Fairmount Park, the largest urban park in the US at 10,000 acres.

Pittsburgh

Pittsburgh (302,000; metro 2.4 million), the "Steel City," sits at the confluence of three rivers and has more bridges — 446 — than any city in the world, a dramatic topography that shaped its post-industrial transformation from steel capital to a genuine healthcare, education, and technology hub. The Andy Warhol Museum, the largest museum dedicated to a single artist in the country, honors a native son, and the Carnegie Museum of Natural History holds one of the finest dinosaur collections in the eastern US.

Allentown, Erie, and the Historic Towns

Allentown, the largest city in the Lehigh Valley, has reinvented a former Bethlehem Steel-era industrial base into one of the fastest-growing mid-sized metros in the Northeast. Erie, Pennsylvania's only Great Lakes port, centers its modest but genuine cultural scene around Presque Isle State Park. Bethlehem pairs its 1741 Moravian religious settlement — the finest preserved 18th-century religious community architecture in the country — with the preserved blast furnaces of the former Bethlehem Steel plant, now the SteelStacks arts campus.

The Economy

Pennsylvania sits atop the Marcellus Shale, one of the largest natural gas formations in the world, making it the country's second-largest gas producer after Texas since the fracking boom began in 2008 — a transformation that's brought real economic impact to rural northern Pennsylvania alongside genuine environmental controversy. UPMC in Pittsburgh, with more than 40 hospitals, and Penn Medicine in Philadelphia anchor a healthcare sector that employs more Pennsylvanians than any other industry. Philadelphia's financial-services history dates back to the First Bank of the United States in 1791, and Vanguard, headquartered in nearby Malvern, remains the world's second-largest investment company and the pioneer of the index fund. Agriculture is genuinely significant too — Pennsylvania produces 65% of the country's commercial mushrooms and ranks fifth nationally in dairy production, much of it tied to Lancaster County's Amish farming communities.

The University of Pennsylvania in Philadelphia, founded by Benjamin Franklin in 1740, is an Ivy League research university home to the Wharton School — the world's first collegiate business school, founded in 1881 and consistently ranked first globally. Carnegie Mellon University in Pittsburgh, formed by a 1967 merger, holds a top-15 national ranking with a computer science program consistently rated first in the world, alongside a drama school considered the finest in the country for producing Broadway professionals. Pennsylvania State University, the commonwealth's land-grant institution, is the largest in the state system at 46,000 students across its main campus, with 24 total campuses statewide. Swarthmore, Haverford, and Bryn Mawr — the "Tri-Colleges" on Philadelphia's Main Line — form one of the most selective liberal arts consortiums in the country, sharing courses and resources across the three highly regarded campuses.

At the high school level, Central High School in Philadelphia, founded in 1836, is one of the most historically significant public high schools in the country, giving academically strong students a rigorous public option inside a city with deep educational inequality. Lower Merion High School, on the wealthy Main Line, carries extra national name recognition as Kobe Bryant's alma mater, and State College Area High School benefits from its Penn State University community, drawing on a dense concentration of faculty and researchers to support unusually strong academic expectations for a town its size.

Pennsylvania's visitor experience covers more American historical ground than almost any other state — colonial founding, Revolutionary War, Civil War, and 19th-century religious settlement all within a few hours' drive of each other.

Philadelphia and Gettysburg

Independence National Historical Park in Philadelphia concentrates the most significant collection of Revolutionary history in the country within a few blocks — Independence Hall, the Liberty Bell, and Carpenters' Hall, where the First Continental Congress met in 1774. Gettysburg National Military Park, the most-visited Civil War site in the country, preserves 1,400 monuments across 6,000 acres from the war's bloodiest and most decisive battle, and the Gettysburg Address was delivered there on November 19, 1863, at the dedication of the National Cemetery.

Lancaster County and Historic Towns

Lancaster County holds the largest Old Order Amish community in the world, roughly 45,000 people farming by horse-drawn equipment across a landscape of rolling hills and red barns unlike anywhere else in the country; Lancaster's Central Market, operating continuously since 1730, is the oldest publicly operated farmers' market in the US. Jim Thorpe, a Victorian coal-mining town in Carbon County, was renamed in 1954 as a publicity stunt after the town purchased the body of the Native American Olympic athlete, and has since reinvented itself as a mountain-biking and outdoor-recreation hub built around its Victorian architecture and gravity-railroad history.

Family Weekends and Road Trips

Hersheypark, built by Milton Hershey adjacent to his chocolate factory, is Pennsylvania's most-visited theme park, with more than 70 rides including 13 roller coasters, and the free Hershey's Chocolate World tour extends the visit next door. The Franklin Institute in Philadelphia, anchored by its walk-through Giant Heart exhibit, is the state's finest science museum. For road trips, the definitive Pennsylvania history triangle runs from Philadelphia's Independence Hall west to Lancaster County's Amish farmland and south to Gettysburg's battlefield — a three-day loop covering Revolutionary, Civil War, and Amish culture found nowhere else in a single state.