That’s just what a group of over 200 high-net-worth investors from around the country—as well as a media corps that included a documentary film crew from Rai, Italy’s national public broadcasting company—did on Sunday, boarding seven luxury buses in Denver and embarking on a tour of local “canna-businesses.”

The trip was part of a two-day gathering of members of San Francisco-based ArcView Group, which runs an angel network for cannabis investors. It was timed to precede the National Cannabis Industry Association’s business summit, which was held Tuesday and Wednesday.

ArcView members have invested over $10 million in 14 private cannabis-related companies. A report by the network in 2013 estimated that the legal U.S. cannabis market was $1.5 billion in 2013 and projected it would grow more than 68 percent to $2.6 billion this year.

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