There were some enterprising young men who used this unprotected border to their advantage by simply walking through the woods with backpacks full of weed from Canada into the U.S. I think they became multi-millionaires before finally getting busted.
You can’t even pronounce the last letter of the alphabet properly! 
NM. Wrong war
Actually, we spell words like “neighbour”, “colour”, etc. correctly, the way actual English speakers intended. 
It was the anti-Brit sentiment in revolutionary America that motivated many to start spelling words wrong as a sign of rebelliousness, a principle later promulgated by Noah Webster and others. Had they succeeded more thoroughly, “tongue” would today be “tung”, words like “are”, “give”, “have”, “definite” and “live” would all have lost the “e” at the end, “though” and “through” would be “tho” and “thru”, “guard” would be “gard”, and “wished” would be “wisht”.
In any case, I am here to answer the question “Can 1500 Americans come over into Canada with no ID whatsoever?”. The answer is: absolutely they can, as indeed they just did when a strong wind was blowing toward Canada. “Americans everywhere!”, said officials of the Canadian Coast Guard, the Sarnia police, the Ontario Provincial Police, and the Canada Border Service Agency, as they plucked them out of the water! 
If what you’re referring to took place in the 1990s then that was some damn fine weed.
No, the border on Google Maps aligns with the clearcut (or “boundary vista”, to give it is proper name). The field does indeed seem to cross into Canada. The wiggly line through the trees just to the north is a track.
To get a direct link, click the three-line menu icon to the left of the search box at top left. Then choose “Share or embed map”. Then you get a link, with an optional tickbox for a short URL, eg: Google Maps
If you mean this road, it appears the whole road is in the US, and the border runs along the northern edge. So unless you swerved onto the shoulder, you were still in the US. There doesn’t seem to be Street View along the road itself, but you can see the high-security barrier from the Canadian side.
There’s lots of oddities around there. Check out this house. Follow the driveway all the way back to the south. They really wanted to get as close to Canada as they could!
Those of you that have never been out west, should take a look at Point Roberts. A small, isolated part of Washington state. It is completely cut off from the rest of the US, except by air and sea. If you want to get there by land from the US, it means two border crossings.
Canada provides it with electricity, cablevision and water, and in return, Pont Roberts sends it’s sewage to Canada. :eek: Thank you.
The majority of the people living there and owning property are Canadians.
Patience, brother, it’s happening!
One thing I find amusing is that it didn’t have to happen. It came about, of course, because when they agreed to carry the 49th parallel out to the strait as the border, they didn’t know until they surveyed that it cut off Point Roberts that way. After they did realize it, apparently one of the British officials said something like “Now, that’s just silly - tell the Americans that if they cede it to us, as it’s pretty useless to them, we’ll exchange an equivalent piece of land above the 49 parallel.”. Presumably, the US would have wound up without Point Roberts, and with something like a little bump on the east side of the bay, say just north of present day Blaine, WA where there’s now a cluster of streets ostensibly in Surrey, a small provincial park and a golf course. The Americans didn’t go for it, and stuck to the terms of the agreement.
Tons of good information dopers. Glad some of you could also see the field cutting across the line. I still am surprised the International Boundary Commission would allow that. Maybe the crew that keeps the border clear of trees doesn’t mind because it makes their job easier. I guess we may never really know. That is unless someone here lives in North Dakota and wants to go banging on a door.
Interesting topic. I hope I’m not straying too far from the OP, but are there actually any countries with borders completely separated by a physical wall? My impression and travel experience is that most borders, except for the sections where customs is located, are relatively open. I mean, just from a logistical standpoint, it seems ridiculous to even put up a wall across the entire span of two countries’ borders.
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And on the East Coast we have a small part of Canada that can only be accessed from the USA. Campobello Island
The India-Pakistan border is (almost?) entirely delineated by floodlights and a fence, I believe. India–Pakistan border - Wikipedia
Also now with added lasers!
Thanks to technology, anyone walking across the border is noticed.
Cameras, heat sensors, and motion detectors are everywhere.
And if you think otherwise, you’ll end up in jail
Which allowed my daughter and I to spend a delightful day there, wandering around, indulging our inner map geek personae.
That doesn’t look like a house. It looks like two oddly shaped buildings, but I can’t tell what it is from either Google or Bing aerial photos. There has to be a story about that property and LONG driveway. I didn’t find anything searching by the road name where the driveway connects (St. Armand Road).
Then we have the International Peace Garden, constructed so as to allow visitors to wander about back and forth across the border. The entrance is between the US and Canadian customs in North Dakota and Manitoba.
BTW, we’ve also mentioned Machias Seal Island on this site several times. That one would probably would have been settled, except that it hinges on the resolution of the maritime boundary. Canada and the US don’t really care that much about the island per se, but they do care about fishing and mineral rights.
Also, if you look in the CIA World Fact book, you find that the maritime boundary at the Strait of Juan de Fuca isn’t settled either - and you thought the Pig War took care of that. Nope, just the ownership of the islands.
Possibly more serious now that climate change is making the northwest passage practical is that Canada insists that it has the right to control traffic through the Canadian Archipelago, and the other maritime nations believe it to be international waters with right of transit. There’s already been a few incidents of Canada getting annoyed because some US military and Coast Guard vessels have passed through without permission. The US / Canadian maritime border in the Beaufort Sea isn’t settled either.
Sorry. Us busy.
There’s also the Peace Arch between Blaine, WA, and Surrey, BC. You can see that the line on Google Maps is fractionally south of the actual line of the white border monuments.
What I want to know is why the Arch itself is set at a slant, rather than aligned with the border. I think I read somewhere that there was a reason, but my Googling is turning up nothing now.