Garden Lust: A Botanical Tour of the World's Best New Gardens

There's something about the city of Rome that lets you know you get to be part of its incredible history. On the next Travel with Rick Steves, we'll hear how the locals love their city, even with all its flaws. The author of "Garden Lust" tells us about his favorite contemporary botanical gardens around the world. And we get advice for hiking and touring in the Swiss Alps.

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