This massive mountain range dominates the western United States and is one of North America's most iconic landforms.

This older, lower mountain range stretches along the eastern United States from Maine down into the Southeast.

These five large freshwater lakes sit along the US-Canadian border and include Superior, Michigan, Huron, Erie, and Ontario.

This river forms the border between the United States and Mexico.

This icy, rocky plateau covers roughly half of Canada and was formed by receding glaciers that left behind mostly rock and thin soil.

The Poconos, Catskills, and Adirondacks are all mountain ranges found in this US region.

The Great Salt Lake, Sierra Nevada Mountains, and Great Basin are all found in this US region.

The densely populated urban corridor stretching from Boston to Washington, D.C. is known by this term.

This region of the United States is known as the "Breadbasket of North America" for its fertile soil and production of corn, wheat, and dairy.

This subregion of Appalachia and the mid-Atlantic is seeing population decline as the country moves away from coal.

These two mountain ranges (the Occidental and the Oriental) run down the west and east coasts of Mexico.

This natural sinkhole, formed by the collapse of a cave roof exposing groundwater below, is commonly found in Mexico's Yucatán Peninsula.

Mexico's Central Plateau, sitting at about 6,000 feet above sea level with mild temperatures, is known by this name.

This free trade agreement between the US, Mexico, and Canada replaced NAFTA in 2020.

These factories in Mexico assemble products using imported materials and export the finished goods to the United States.

Canada is the world's second-largest country by this measure.

This natural wonder sits on the US-Canadian border near the Great Lakes and draws millions of tourists each year.

Canada's prairie region is known by this nickname because of its role as a major agricultural producer.

This French-speaking province narrowly voted down independence from Canada in a 1995 referendum.

Canada is still part of a Commonwealth led by this country.

This ancient civilization, centered in Tenochtitlán (modern-day Mexico City), flourished from the 1200s until 1521.

This civilization, known for advanced astronomy, mathematics, and pyramid architecture, peaked from 250–900 CE in Mexico and Central America.

This Native American confederacy of six nations in the northeastern US and Canada was known for its democratic Grand Council and the "Three Sisters" farming.

These indigenous people of northern Canada are nomadic hunter-gatherers known for building igloos and relying on fishing, seals, and caribou.

European explorers first reached North America around 1492, but Norse explorers had actually reached this Canadian island approximately 500 years earlier.

The Gulf of Mexico provides this valuable natural resource to both the United States and Mexico.

This environmental disaster began on April 20, 2010, when a blowout on an oil rig in the Gulf of Mexico caused an explosion and massive spill.

Free trade agreements like NAFTA can lower prices for consumers by eliminating these taxes on imported goods.

Most of Canada's fossil fuel industries are concentrated in this part of the country.

In what decade did the percentage of foreign-born workers in the U.S. labor force reach its lowest point before rising again?