Ultimate 10 Scientific and Historical Wonders

They are centuries old. They are sacred. Places of power and mystery that guard long-hidden secrets - secrets we dream of unlocking if only we could discover the key. From monuments to megaliths, from ancient civilizations to outer space - "The Ultimate Ten Mysterious Places" will take us deep into "The Knowledge Zone" as we learn the secrets behind all mysteries on Earth.

Breaking bricks with one swift stroke of the fingertips. Training techniques camouflaged in everyday motions.

More than ever before in human history, new technology is driving the nature of warfare. No other country has ever had the lead in military technology that America enjoys.

From the ancient cities of Peru to the crypts of Egypt, Archaeologists have been uncovering clues that lead us to a better understanding of the civilizations and events that have forged our views of the past. Over the next hour, "The Ultimate Ten Archaeological Discoveries" will examine that stuff.

Landmarks are more than a photo op - they have a place in our history and in our hearts. Whether it's Niagara Falls or the Wailing Wall, an ancient monument or a contemporary engineering marvel, a landmark has special meaning for every visitor.

Travel through time and around the globe as we explore the fascinating and mysterious world of mummies. "The Ultimate 10 Mummies" will guide you through the most remarkable discoveries in the mummy world from Ramses the Great in Egypt to the oldest mummies in the world found in Chile.

Industrial expansion and the subsequent increase in hazardous materials being transported around the world is a mounting global threat. Deadly disasters are on the rise.

Tick... tick... Tick... No, we're not talking about little insects that suck your blood. You know what we're talking about: The sound before you hear one of these sweet, sweet, KABOOMS. You're now in the "Ultimate 10: Explosions" zone now.

Picture it - You're one of the top criminals in the country. You just wanna buy some "funny cigarettes" and go to bed.

Fast, faster, fastest - The cheetah's top speed is 60 mph. Meet the machines that make cheetahs look like molasses going uphill in January...

The Wright Brothers launched us into the skies, now an International Space Station is orbiting the earth. The things we created in the 20th century are mind boggling - and we'll give them each a standing ovation, as we count down "The Ultimate 10 Engineering Triumphs of the 20th Century.