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The US Coast Guard's fleet features some of the most advanced ships on the high seas, and special access to these state-of-the-art vessels reveal how cutting-edge engineering and the latest tech makes their critical work possible.

Sea Monsters

US Coast Guard Superships

New submarine technology has pushed the boundaries of ocean exploration, and behind-the-scenes access reveals the cutting-edge technology and design that help world-class scientists explore the planet's final frontier.

Ultra Submarines

For those who like questions better than answers.

Science Channel

The world's most powerful and cutting-edge ships command the seas thanks to hi-tech engine design; special behind-the-scenes access reveals the innovative engineering and design behind these technological marvels.

Mega Marine Engines

A brand-new engineering marvel commands the waters as the world's fastest ferry, a hi-tech super ship equipped with the cutting-edge technology; experts reveal this innovative vessel's hidden secrets.

World's Fastest Ferry

The world's busiest ports are getting more perilous as container ships grow larger; access to the control center of a super port reveals the advanced technology and expert engineering required to manage traffic on today's water highways.

Lair of the Monster Ships

In one of the busiest, coldest, stormiest ports on the eastern seaboard, getting monster ships safely docked is a titanic challenge.

Mega Machines: Sea Giants

Harbor Traffic Control

Cutting-edge engineering is making it possible to live on the water in ways like never before; using innovative construction methods, these hi-tech structures are remaking cities and pushing the future of home building to new frontiers.

Cities of the Deep

A brand-new offshore powerboat has been engineered to take on the fastest ships on the planet; after years of research and design, an expert team puts its boat to the test in a dangerous race on water.

Powerboats of Fury

The newest superyachts come equipped with the most cutting-edge engineering technology on the planet; special behind-the-scenes access aboard these futuristic vessels reveals their hidden secrets and special features.

Secrets of the Superyachts

The U.S. Navy's newest and most cutting-edge combat ships use state-of-the-art technology and innovative propulsion systems to hit high speeds on some of the most perilous waters in the world, protecting coastlines and vital offshore infrastructure.

U.S. Navy Super Fleet

A fleet of cutting-edge sea machines are using ocean power to revolutionize the energy industry, and the innovative engineering behind these hi-tech machines could change the world.

Dynamos of the Deep

The Netherlands is home to the most advanced water defense system on the planet, protecting millions with hi-tech, fortress-like barriers; engineers show how this sophisticated water control network works as it faces its greatest challenge yet.

Doomsday Flood Fortress

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The second season of The House of the Dragon premieres 6/16. Watch on the Max app, HBO Channels or On Demand.

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Watch visionary original series and hit movies like Power Book II: Ghost, John Wick: Chapter 4, and much more.

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The new tools and technology that are pushing the limits in the world's most unruly bodies of water, including an ocean miner used to extract salts that are used to manufacture plastics, multi-mission fireboats, and the world's biggest tidal turbine.

S2 E8 | Cities of the Deep