It is July in Yellowstone. At the height of tourist season it is hot and dry and traffic is moving slow throughout the park, as visitors take their time meandering the roads, hoping to see a bear or a wolf along the way and hitting the brakes if they do spot some wildlife.

One of our newest, and perhaps one of our most unusual, national historic sites is located alongside Interstate 90 in South Dakota just outside the northeast entrance of Badlands National Park.

Two visitors to Olympic National Park died Saturday, one killed by a fall while climbing, the other by an apparent heart attack, according to park officials.

Intricate details of Yosemite National Park -- the seasonal run of frazil ice, moonbows, and "neon red asparagus" -- all have fallen before the lens of Steven Bumgardner. How did he get his start capturing the essence of Yosemite, and what's next on his schedule? Traveler did a quick Q&A with Steven to learn the answers to those and other questions.