Learn all about the Tropical Rainforest biome. Learn where rainforests are found, what defines a rainforest, layers in the rainforest, and plants and animals of the rainforest. See 2 videos about the rainforest.

Gates of the Arctic National Park and Preserve offers information about its expansive wilderness. Here you can find park maps and visitor information, as well as information on the park's geology. A "teacher feature" includes educational...

"The David Rumsey Historical Map Collection focuses on rare 18th and 19th century North and South America cartographic history materials. Historic maps of the World, Europe, Asia, and Africa are also represented. The collection...

Learn all about the Taiga or Boreal Forest biome. Find out about plants, animals, adaptations, and conservation efforts.

Brief account of the Battle of Somme that includes a captioned animated map showing the battle along with links to further resources.

Lists all the countries in the world that are landlocked. Gives area, population, capital, and bordering countries, as well as a map for each of the largest countries. This is followed by a list of other landlocked countries and their...

Welcome to Venice, Italy, the city built on water. Travel the canals, walk the streets, ride boats, cross bridges and plan your own adventure in one of the world's most unique cities.

This terrific site from the National Museum of Natural History gives general information about the Burgess Shale and the fossils found within. Use the links to go the Burgess Shale specimens page where there are drawings of many of the...

Description and link to a map of the World's Columbian Exposition in Chicago in 1893.

Learn about different landforms and water bodies and the various characteristics that make them distinct from one another in this lesson plan from WGBH. Navigate around a virtual island to unlock information -- including videos and...

Learn all about the Tropical Savanna biome. Find out about plants, animals, adaptations, and conservation efforts.

Learn all about the Temperate Grasslands biome. Find out about plants, animals, adaptations, and conservation efforts.

This incredible site outlines the rise and implementation of the Nazi Party in Germany. While learning about Hitler's transformation of Germany, explore the incredible pictures, audio clips, maps, video clips, and an interactive quiz.

In this self-directed lesson, students will use maps and Frogwatch data to explore the natural and invasive range of the American bullfrog. A handout with everything the student needs to complete this lesson is available as a PDF or...

An unfortunate spill of 92,000 rubber ducks into the ocean in 1992 elicited invaluable information about global ocean currents as scientists tracked their journeys around the world. In this lesson, students first learn about the Ocean...

Smithsonian Education presents Contrasts in Blue: Life on the Caribbean Coral Reef and the Rocky Coast of Maine. Teachers can download this comprehensive teaching package in which learners explore two marine ecosystems, the coral reefs...

An easy-to-understand explanation of what plate tectonics is. Contains information about the inner parts of the Earth, the difference between the three types of plates, and numerous maps and illustrations.

The Shuttle Radar Topography Mission, a project to collect the most accurate topographic database for the Earth, is documented at this site.

In this lesson plan, introduce your students to the world of maps and discover a world of information online. Students learn how to identify different types of maps, comparing maps to the rooms of a house.

Interactive map of the invasion of Normandy, which commenced on June 6, 1944, D-day.

A seminar focusing on Andrew Marvell (1621-1678), comparing his poem 'Bermudas' with contemporary maps of the Bermuda Islands.

Read a brief account of the goal of the Doolittle Raid and its accomplishments along with a brief description of the Battle of Midway. Included is a letter written by General Doolittle, photographs of the planes, a short video, and maps...

Consider the perspectives of Theodore Roosevelt and Woodrow Wilson and why they made decisions that they did with respect to the American wilderness. The issue is whether the Hetch Hetchy dam should be built to supply water to San...

Examine the contributions of Pennsylvania's major industries and Pennsylvanians to World War II. Included in this detailed, historical account are links to maps and pictorial images of the era.