Amtrak Vacations has unveiled its newest itinerary, “Yellowstone to Yosemite by Rail – Teddy Roosevelt Trail,” a two-week trip that takes participants from Chicago, Illinois to San Francisco, ...

Bubbling geysers spout as if they're Mother Earth's pressure valves, the hot springs shimmer in vibrant colors, and the mudpots simmer in the roaring heat, all while wild valleys are blanketed with ...