Lindsey Vonn describes her early days on the slopes, the encouragement she received from her father, and coming back from the many injuries she has endured on her way to becoming a champion skier. She also talks about her decision to compete against men in alpine skiing.

Why are some rock formations and animals found on more than one continent? The explanation dates back to the Ice Age.

Why do some of the national parks in the United States resemble the European Alps? Geologist Dr. Robert Darga answers this question.

Go behind the scenes of Entertainment Weekly's cover shoot with Dwayne Johnson as he gets into the holiday spirit! He has fun playing “Dwanta Claus,” lists his favorite holiday movie and song, and talks about his appreciation of the gifts he receives from fans.

Topsy and Tim give us a countdown of their favorite things about Christmas. The twins are featured on the BBC's CBeebies, a TV channel for pre-schoolers.

This video showcases the California beach town Santa Cruz, famous for surfing, sun and family fun at the oldest amusement park on the U.S. west coast. The town's name is Spanish and means Holy Cross, but in its travel publicity, the town uses Cruz to mean cruising or ambling around its beaches, boardwalks, and other sights.

Actor Liam Neeson angrily swears revenge in this very popular ad that was aired during the Super Bowl.

Take the pledge to Follow the Frog.
What does it mean to #followthefrog? Choose Rainforest Alliance certified products with the green frog seal.

We get a behind-the-scenes look at the kiteboarder's trip down the coast of California, where they are recharging their batteries and taking advantage of new surroundings.

Annette visits the Erickson Aircraft Collection in Madras, Oregon. A highlight of the collection is a plane that appeared in a very famous movie.

Annette talks about the Wild West, and takes us to a famous gold mining town in South Dakota that was an important part of United States history.

Annette shows us Salt Lake City's very modern and light-filled public library and takes us up to the roof for a surprise.

Leroy Kenton shares facts seven, eight, nine and ten, and mentions that he will be rooting for Brazil in the World Cup. Brazil has won the World Cup five times and has always played in the tournament. Leroy saves perhaps his most interesting fact for last.

FIFA World Cup happens once in every four years. Following are the first six of ten interesting facts about the FIFA World Cup that you really need to know.

Nouns are usually the first words we learn. The good news is that with nouns, we don't have to worry about gender in English. We do, however, have to be aware of gerunds that act like nouns but look like verbs, and countable or uncountable nouns.