What is time? Is time travel possible? For centuries, these questions have intrigued mystics, philosophers, and scientists. Much of ancient Greek philosophy was concerned with understanding the ...

Bob Hope and Bing Crosby did it over and over. Sometimes, though, the travel isn’t across the globe, or even across space. They are across time. Time travel has been an oft-used trope of science ...

Participants must be at least 12 years old. Short on time? The company also offers an hourlong Music City Snapshot tour through Nashville's entertainment district. For a tour that combines ...