No trip to South Dakota is complete without a visit to the granddaddy of all monuments. Marvel at the craftsmanship and ego of carving four massive presidential faces into a mountainside. Don't ...

The Kansas quarter, for example, features a buffalo and sunflowers – the state animal and state flower, ... A silver-proof South Dakota state quarter could be worth as much as $15.

At Wild Idea Buffalo Company in Hermosa, South Dakota, their core mission is preserving and restoring their prairie land, while also marketing 100% grass-fed and field-harvested bison meat ...