TV Guide Smithsonian Wednesday

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.

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

The Stella Australis takes passengers to parts of South America few people have seen, visiting sub-polar forests, vast glaciers and other remote areas.

The crew and passengers aboard a cruise ship called MSC Divina is in danger of ending in disaster when a tropical storm grows to hurricane force.

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

Costa Diadema is a Dream-class cruise ship owned by Carnival Corporation which gives its 3,700 passengers the ultimate Mediterranean experience.

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.

An orphaned bear cub is flown to a new home; a remote village receives medical machinery; Anchorage Airport threatens to close due to record snowfall.

A make-or-break flight will either make or break a novice flight instructor; impending Alaskan weather rushes an ice-tour pilot.

Christmas travel in Anchorage is disrupted by a snowstorm; an Arctic village is aided by bush pilots after a fire; ice threatens airborne science mission.

A mountain construction project receives materials Alaskan-style with an express aerial delivery; two bald eagles ride first-class.

A pilot in training deals with a mid-air engine shutdown; Bush pilots do a test while on a grocery run; a big helicopter deployment; a phenom flies.

Some scientists try to prevent an avalanche; Border agents stop an insect invasion; a pilot flies explosive cargo to a festival in a village.

Defy gravity in an Amsterdam high-rise that hangs 164 feet above the water; marvel at interconnected towers in Chicago that have a road running through them.

Featuring a high-rise in Chicago with rippling balconies and the construction of an underground railroad in London that required 26 miles of tunnels.

The engineering and design story behind the Oslo Opera House, Australia's One Central Park and the California Academy of Sciences in San Francisco.

Host Jay Ellis visits the American Museum of Natural History, an arts center inspired by migrating birds and built on a lake and Boston University.

Host Jay Ellis goes to a 1.2 million square foot office building, a building that landed on a parking garage and the world's longest suspension footbridge.

Some of the most unique buildings, bridges and lifts in the world highlight the creativity of the engineers and architects behind their radical designs.

An orphaned bear cub is flown to a new home; a remote village receives medical machinery; Anchorage Airport threatens to close due to record snowfall.

A make-or-break flight will either make or break a novice flight instructor; impending Alaskan weather rushes an ice-tour pilot.

Christmas travel in Anchorage is disrupted by a snowstorm; an Arctic village is aided by bush pilots after a fire; ice threatens airborne science mission.

A pilot in training deals with a mid-air engine shutdown; Bush pilots do a test while on a grocery run; a big helicopter deployment; a phenom flies.

A pilot in training deals with a mid-air engine shutdown; Bush pilots do a test while on a grocery run; a big helicopter deployment; a phenom flies.

An exploration of the typically dangerous conditions at Ted Stevens International Airport in Alaska highlights the dedicated crews that keep passengers safe.

In 1988 a brand-new Airbus A320 became the first of its model to crash after it hit the treetops just beyond the runway during a flyby at an air show.

The 1985 explosion of an Air India jet flying out of Montreal was attributed to a bomb planted by agents of two radical Sikh organizations working together.

In 1956 two commercial airliners are found in pieces on the floor of the Grand Canyon; the experts' conclusions change every air voyage that follows.

When TAROM Flight 371 crashes after taking off from Bucharest, Romania, on March 31, 1995, investigators must determine if it was an accident or murder.

When a World War II-era fighter plane nosedives into the crowd at a Nevada air show, investigators call on the pilot's friend to help determine what went wrong.