Sorry, i was totally wrong. It's a UserAgent header problem. For some reasons Wikipedia doesn't like LWP::Simple default header. But you can change it! (thanks to Dog and Pony for Getting more out of LWP::Simple)

use strict;
use warnings;

use LWP::Simple qw($ua get);

$ua->agent('My agent/1.0');

my $url = "http://en.wikipedia.org/wiki/Hotel";
my $html = get $url || die "Timed out!";

print $html;
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