Smithsonian Channel Canada (SMITH)

Pharaoh Khufu was credited for the construction of The Great Pyramid of Giza. Not only is the edifice the largest of its kind but it also the only 7 Wonders of the Ancient World that is still standing today. The Pharaoh also has the reputation of a cruel tyrant, which present historians and scientific experts are trying to confirm. (New).

Recalling the reign of Wu Zetian, who rose from concubine to become China's only female emperor, ruling from 690 to 705. History has cast her as evil, with claims that she killed her children and ruthlessly terrorized the population. Here, artifacts and forensic tools reveal whether that reputation is deserved. (Repeat).

Stories of incredible engineering projects that are now deserted, including a massive military site that was once a hotbed for nuclear testing, a top-secret airbase hidden inside a mountain, and an otherworldly power plant. (Repeat).

In the Netherlands, engineers battle encroaching seawater on storm surge barriers that protect the country from deadly floods. Divers risk their lives to save a flood-ravaged community near Montreal. (Repeat).

A coast-to-coast tour is taken over the places where trailblazing U.S. men and women made history. From Silicon Valley to Walden Pond and landmarks in between, the places and people are celebrated who altered American culture, landscapes, and lives. (Repeat).

Flying into a volatile region, crews battle pirates, tornadoes and riots to salvage a wrecked cargo ship. Teams hope to save cherished floating homes devastated by Hurricane Sandy. And in Florida, a savage hurricane has flung a boat into a house. (Repeat).

Storm Christoph ravages the waters on the south coast of England, tearing off a cruise ship anchor. With the risk of the ship running adrift, crews have only a limited window to find the elusive anchor and reattach it to the ship. (Repeat).

Crews work around the clock to build the world's largest underwater concrete bed to salvage the Costa Concordia off the coast of Italy. And a fire at America's largest shipwreck causes devastation. (Repeat).

Islamorada, Florida and Chris Ward gets a call out to salvage a motor yacht that's sitting in 50ft of water. It's been out there for a week, but he needs to raise it and return the $20,000 boat back to its owner. (Repeat).

Jeremy Birch takes on a salvage to raise a 40s vessel with a concrete hull. (Repeat).

A look at the life of Fu Hao of China's Shang dynasty and her rise from princess to priestess to queen to top general of King Wu Ding. (Repeat).

Exploring what happened to incredible engineering projects now deserted, including a classified Soviet machine built to prevent all-out nuclear war; a top-secret Nazi facility; and a strange tower that left an enduring legacy. (Repeat).

The story of Archduke Maximilian (1832-67) and the series of unfortunate circumstances that doomed his reign over Mexico. (Repeat).

The inside story of the iconic F-14 Tomcat.

Pharaoh Khufu was credited for the construction of The Great Pyramid of Giza. Not only is the edifice the largest of its kind but it also the only 7 Wonders of the Ancient World that is still standing today. The Pharaoh also has the reputation of a cruel tyrant, which present historians and scientific experts are trying to confirm. (New).

Crews wage a battle against moisture at the world's only rotating boat-lift, the Falkirk Wheel. In Blackpool, England, technicians must fix a roller coaster's broken track before opening. (Repeat).

A look at the life of Fu Hao of China's Shang dynasty and her rise from princess to priestess to queen to top general of King Wu Ding. (Repeat).