At the tip of Oklahoma's panhandle lies Cimarron County, the only county in the U.S. to border four states: Kansas, Texas, New Mexico, and Colorado. Before the county was created in 1907, the area was part of a lawless, dusty region of the panhandle known as No Man’s Land. But you won’t have to fear Wild West bandits anymore in Cimarron County, which is home to approximately 3,000 people and governed from Boise City.

The twin cities of Bristol — one in northeastern Tennessee and one directly across the border in southwestern Virginia — share a mutual downtown area that is divided by a single street, appropriately named State Street. The state border runs between the yellow marker lines in the center of the road. The history of the two Bristols dates to 1852, when a landowner named Joseph Anderson bought acreage on either side of the state borders.

Minnesota’s Northwest Angle is the northernmost point in the contiguous United States, and it's the only place in the country outside Alaska that sits north of the 49th parallel. If you’d like to visit, you’ll need to cross two borders to get there — the route north on Minnesota Highway 313 eventually meets Manitoba’s Provincial Road 12. From there, you’ll cross another border back into the U.S. on a gravel road that marks the entrance to the Angle.

When Missouri was granted statehood in 1821, Congress intended its southern border to be a straight line along the latitude line of 36 degrees and 30 minutes north. However, one wealthy landowner named Hardeman Walker realized that would put him under the jurisdiction of the Arkansas government. Preferring Missouri's laws, Hardeman successfully lobbied the government to include his landholdings, which became known as the "bootheel" of Missouri.

To get to Nebraska from the nearest gulf, bay, or ocean, you’ll have to travel through three other states (or two states and a province of Canada), regardless of your origination point. That makes Nebraska the only triply landlocked state in the nation — all other landlocked states in the country are either singly or doubly landlocked.

In 1819, Secretary of State and future President John Quincy Adams negotiated the Adams-Onís Treaty to set boundaries between Spanish and U.S. claims across the continent. The 42nd parallel was one such boundary, and it remains as Nevada's northern border with Oregon and Idaho.

Perhaps no other state better deserves the nickname “The Great Lake State” than Michigan, as it’s surrounded on all sides by these enormous bodies of water. Even still, Michigan only touches four out of the five Great Lakes, leaving out Lake Ontario. Michigan's mitten shape is carved by Lakes Superior, Erie, Huron, and, of course, Michigan.

Between New Hampshire and Vermont is a river named for another state: Connecticut. The border is set by the low-water mark on the western side of the Connecticut River — a specific distinction that the U.S. Supreme Court officially defined in 1933 after hundreds of years of disputes over the exact location of the border along the river.

Idaho's northeastern border with the state of Montana is defined by the Continental Divide, a long ridge of mountain summits that runs through North America. On its flat southeastern border with Wyoming, Idaho shares a small part of Yellowstone National Park. To the west, Idaho is bordered by Washington and Oregon. To its south, Idaho borders both Nevada and Utah.

The Delmarva Peninsula’s name is a portmanteau of letters in the states that share it: Delaware, Maryland, and Virginia. The majority of Delaware falls within the peninsula’s northeastern section, while the west is part of Maryland and includes the cities of Cambridge and Salisbury. Virginia covers the southernmost section of the peninsula down to its southern tip on Cape Charles. In total, the Delmarva Peninsula makes up about 5,400 square miles.

Iowa's western border is made by the meandering Missouri River, and its eastern border is made by the magnificent Mississippi. That makes Iowa the only state bordered by two navigable rivers. Across the Mississippi from the Hawkeye State are Wisconsin and Illinois, while South Dakota and Nebraska share a border across the Missouri. To Iowa’s north is Minnesota and to its south is Missouri.

Connecticut is the third-smallest state in the U.S. but is among the most densely populated. One of the original 13 colonies, Connecticut borders Massachusetts to the north, Rhode Island to the east, New York to the west, and the Long Island Sound along its southern coast. An arm of the Atlantic Ocean, the Long Island Sound separates the Constitution State from New York's Long Island, the largest island in the contiguous United States.

Missouri and Tennessee tie for bordering the most other states — each has eight neighbors (including each other). The Show-Me State borders Arkansas, Iowa, Illinois, Kansas, Kentucky, Nebraska, Oklahoma, and Tennessee. The Volunteer State touches Alabama, Arkansas, Georgia, Kentucky, Mississippi, Missouri, North Carolina, and Virginia.

Only one U.S. capital shares its border with another country. Juneau — Alaska’s capital since 1906 — is bordered to the east by the Canadian province of British Columbia. Naturally, this makes it the closest state capital to our northern neighbors. Other close Canadian neighbors include Montpelier, Vermont (52 miles from the border); Lansing, Michigan (81 miles); and Augusta, Maine (82 miles).

West Virginia is the only state in the country with two panhandles. The Mountain State's Eastern Panhandle stretches toward the Atlantic Ocean, bordering the states of Maryland and Virginia. Its Northern Panhandle crawls along the western edge of Pennsylvania, separating it from Ohio to the west.

The U.S.-Mexico border stretches for almost 2,000 miles from the Pacific Ocean to the Gulf of Mexico, with four U.S. states adjoining six Mexican states. Of these, California’s border with Mexico is the shortest: Only about 140 miles run between the Golden State and its neighbor to the south, Baja California. Texas’s border, marked by the Rio Grande River, is the longest at 1,240 miles.

The U.S.-Canada border is the world’s longest international boundary. Alaska shares the longest border with Canada — more than 1,500 miles — and Michigan ranks second with a 721-mile border. However, Michigan has no land border with Canada. The Canadian province of Ontario is separated from Michigan by Lake Superior and Lake Huron, as well as Lake St. Clair and the Detroit River.

The Colorado River is the common boundary where Arizona meets California, the country's most populous state. The dividing line between the two has generally been the center of the river, but due to nature's ever-changing course, that hasn't always been a standard spot. In the 1920s, this caused some problems regarding hunting and fishing regulations and property titles, which were resolved slowly by state governments over the next 60 years.

The Four Corners in the southwestern U.S. is made up of, appropriately, four states: Arizona, Utah, Colorado, and New Mexico. There is an official monument marking the intersection of these states, the only place in the country where four different states meet. Despite its relatively remote location among Navajo and Ute reservation land, the Four Corners is a popular tourist attraction.

The most northwest of the states in the Pacific Northwest, Washington borders Oregon to the south, Idaho to the east, Canada to the north, and the Pacific Ocean to the west. This western border is most distinctively shaped by the Puget Sound, which cuts deep into the corner of the state, separating the Olympic Peninsula from Seattle and its suburbs.

Texas is the second-largest state in the U.S., after the giant landmass that is Alaska. Measuring a formidable 268,000 square miles, Texas' size is the first indication that everything is bigger there. The Lone Star State borders New Mexico, Oklahoma, Arkansas, Louisiana, and the country of Mexico, and also has ocean access via the Gulf of Mexico on its southeastern edge.