It turns out that the only thing keeping most of these places safe is that not a lot of people actually try to get in. When they do, they find it's not all that hard to infiltrate ...

You know from many a caper movie that there are just some places you can't get into without a team of hackers and George Clooney. But some of the most secure locations in the world have been breached by children, drunks and hobos who didn't even necessarily know where they were or what day it was.

6 The White House

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If you were asked to name the most secure location on planet Earth, you'd probably guess that it's the home of the President of the United States. We mean, it's got to be that or Area 51, right?

Actually, people manage to infiltrate the White House all the damn time. It's a long-standing tradition of terrifying security breaches that started when Charles Dickens (yes, that Charles Dickens) broke into the White House in 1842 when President Tyler failed to answer the door fast enough.

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"It was the best of times and the worst of security systems."

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Naturally, after three presidents were assassinated between 1865 and 1901, security was elevated quite a bit. But a hell of a lot of people pass through the White House, and the CIA doesn't necessarily have the time or manpower to keep an eye on every one of them. The historian Bill Bryson told a tale of a little old lady named Julia Chase who once broke away from a White House tour group and walked around the mansion for over an hour, "setting small fires."

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"I like to imagine I'm freeing the souls of wronged children."

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But the latest national crisis to spawn from some random White House intrusion was in 2009, at a state dinner for the Prime Minister of India. Tareq and Michaele Salahi were not invited to the event, but nonetheless they showed up anyway, walking past two security checkpoints due to the insistence of police officers outside to keep the line moving. Once inside, a few suspicious workers tried to confirm who they were, but to no avail, and the couple managed to spend the evening at the gala, even meeting Barack Obama and having a photo taken with Joe Biden.