TV Guide Smithsonian Tuesday

Western Mexico reveals the country's most iconic images. From the birthplace of tequila and mariachi to the world's busiest border.

In Alberta a westbound freight train on a Canadian National Railway branch line fails to stop at a signal because the drivers have fallen asleep.

A Philippine Airlines Flight is in danger as an Al-Qaeda terrorist has sneaked an explosive on board as it's in route to Tokyo, Japan.

After Ethiopian Airlines Flight 961 is taken over by three crazed political fugitives, the heroic pilot tries an emergency landing.

When an Airbus A319 cockpit window explodes, investigators try to understand the freshly serviced aircraft was released with a fatal flaw.

Safety systems are tested after a turbotop aircraft crashes into a mountainside before its approach to Papua, Indonesia and all 54 people on board are killed.

A captain and his crew struggle to navigate a new route aboard a vessel known as the Viking Sea as they sail from London to Scotland.

The Marco Polo delivers travelers to cities such as Copenhagen, St. Petersburg and Helsinki in late autumn, when crowds are smaller but travel is riskier.

The Diamond Princess is a British-registered cruise ship owned and operated by Princess Cruises, carrying passengers to some of Japan's most iconic cities.

The Roald Amundsen sails where few ships will ever go, the vessel was built specifically to take passengers on an unforgettable voyage to Antarctica.

Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zipline in the world.

The MS Koningsdam is a Dutch mega-cruise ship operated by Holland America, it is their largest and most technologically advanced ship ever constructed.

One of the most luxurious and expensive trains in the world, the Maharajas' Express is a tourist train to 12 destinations across northwest and central India.

Passengers take a ride from Belgrade, the capital of Serbia, to the beaches of Montenegro aboard the rugged Belgrade to Bar train.

Japan's Kyushu Railway Company unveils the super-luxury Seven Stars train at its train yard in Kitakyushu in Fukuoka prefecture in October 2013.

The floating city called Norwegian Breakaway contains 29 restaurants, 22 bars and a casino, and its maiden voyage begins with a North Atlantic winter storm.

Germany's Meyer-Werft Shipyard takes on the challenge of building a cruise ship three times the size of HMS Titanic in just 18 months.

MS Fram, a cruise ship that goes where others fear to tread, leaves Reykjavik, Iceland, sailing in and out of the fjords of Greenland on its way to Ilulissat.

The Viking Longship Gefjon is one of the latest in Viking Rivers' line of longships that cruises the Danube, Main and Rhine Rivers, navigating tight channels.

A 15-day cruise on the Azamar Journey includes elephant-guided jungle tours and overnight stops in Bangkok, Ho Chi Minh City and Hanoi.

Engineers explain the setbacks they faced as they try to upgrade NASA's space observatory called SOFIA before she can return to space.

An in-depth look is taken at a legendary locomotive called the Canadian as its crew works tirelessly to keep the train in pristine condition on its journey.

A modern-day ship known as the Royal Clipper pays homage to traditional seafaring ships of the late-1800s with five masts and 42 sails.

Pinnacle-class cruise ship MS Nieuw Statendam is the world's largest boutique cruise ship at 300 meters long and can carry over 4,000 passengers.

The State Railway of Thailand travels through ancient areas, historic tunnels and raging rivers; the infamous Thai-Burma "Death Railway" is featured.

Based in Stockholm, the Hector Rail is an independent train haulage provider operating in Europe, and hauls timber for paper products in Ostrand, Sweden.

A 14-day voyage through Indonesia on Le Soleal goes to places most cruise ships cannot get to, showing its passengers unique wildlife and live volcanoes.

The Celebrity Solstice carries nearly 3,000 passengers on a luxurious journey along Australia's northern coast, with 10 restaurants and 12 bars.

Sailing from Chile all the way to Costa Rica, guests paraglide over sand dunes, cruise through mangroves, and zipline through jungles on a luxurious ship.

Carnival Vista is the latest edition to the Carnival Cruise Line, but it suffers from growing pains and it's up to a captain and crew to resolve its issues.