From the dense forests of the Pacific Northwest to the dry deserts of Arizona, from the mini to the mighty, these are the ...

Niagara Falls, straddling the border between the United States and Canada, is undoubtedly one of the most famous waterfalls ...

Above ground, visitors will find a lookout tower and a zip lining adventure ... The cave walk to the waterfall costs $28.95 for adults, $27.95 for seniors aged 65 or older and $18.95 for children ...