Then, in the bound-to-be-self-referencing "World's End, " Simon Pegg, Nick Frost and friends try to do a pub crawl on their last night alive.

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The pub crawl commences at 11 pm, visiting three bars on the way and ending the night at a club (transportation between each location is provided).

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McMenamins has held "cosmic" bus tours (a pub crawl on wheels) to get people to its different sites, some in towns with as few as 7, 500 folks.

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The duo came up with tours in the tradition of the theatrical pub crawl (although no alcohol is involved), where the guides present information in the guise of an interactive performance.

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Dublin Literary Pub Crawl, the only tour that "simultaneously replaces brain cells as it drowns them", running for more than 20 years, takes you on a half-mile amble round some of the atmospheric old bars immortalised by Dublin writers, with a drink at every stop.

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