The year 2000 - from 1900
morletsblog.blogspot.com
morletsblog.blogspot.com
They're not widespread due to energy consumption, but most large airports have moving conveyers between terminals; and escalators (vertical moving sidewalks) are ubiquitous in malls.
House-Moving by Train
It's normally done by flatbed truck, but it is done.
Televised Outside Broadcasting
Justin.tv.
Personal Flying Machines
Um, hang gliders?
Weather Control Machine
[feverish paranoid conspiracy fantasy involving HAARP, Hurricane Katrina and global warming removed at the request of the commenter]
Combined Ship and Railway Locomotive
Containerization. http://en.wikipedia.org/wiki/Containerization
Undersea Tourist Boats
Disneyworld's "20,000 Leagues Under The Sea" ride.
Roofed Cities
Toronto's PATH. http://www.toronto.ca/path/
Personal Airships
Luxury private jets.
Summer Holidays at the North Pole
Check back in 20 years.
Police X-Ray Surveillance Machine
Ubiquitous urban CCTV cameras, TSA heavies.
Wait about 20 more years for this one.
How could they miss the obviousness of the domes and flying cars we use today?
Personal airships == private helicopters.
Personal flying machines == ultralights http://en.wikipedia.org/wiki/File:Huntair.pathfinder.arp.jpg
I find it interesting that so many of these "predictions" consider technology while completely ignoring popluar culture. Notice that no matter what the prediction, people are still wearing Victorian garb. The easiest prediction of all would have been that people would wear more functional clothing.