How about a hiking trail where you keep cool – as in hiking in 70 degrees and no sunlight? Colossal Cave tour route is a half-mile long and takes about 45-50 minutes to complete. As your guide relates the Cave’s history, legends, and geology, you walk down and back up about six and a half stories and see beautiful cave formations like stalactites, stalagmites, flowstone, boxwork, and helictites.

Tours are given daily, year-round. They are not pre-scheduled, but you’ll never wait longer than 30 minutes after you purchase your ticket. You need no special clothing in the Cave, which is always 70 degrees and dry. You are welcome to take pictures inside – you’ll want to use high-speed film and a flash unit for cameras, or a candlelight setting for videocams. Please click here for rates and Park hours.

To check availability and purchase tickets online for a Regular Tour go to Zerve or call (800) 979-3370

Bomb shelters, the Berlin Wall, weekly tests of the Emergency Broadcast System, the piercing sounds of air raid sirens, and the Space Race. These are the hallmarks of the “Cold War” era.

The Titan Missile Museum, located in the town of Green Valley, showcases the dramatic vestiges of the Cold War between the U.S. and former Soviet Union and provides a vivid education about the history of nuclear conflict-a history of keeping the peace.

Visitors enjoy a journey through time as they stand on the front line of the Cold War. This preserved Titan II missile site, officially known as complex 571-7, is all that remains of the 54 Titan II missile sites that were on alert across the United States from 1963 to 1987.

Able to launch from its underground silo in just 58 seconds, the Titan II was capable of delivering a 9-megaton nuclear warhead to targets more than 6300 miles (10,000 km) away in about 30 minutes. There is no other place in the world where visitors can get this close to an intercontinental ballistic missile in its operational environment. This one-of-a kind museum gives visitors a rare look at the technology used by the United States to deter nuclear war. What was once one of America’s most top secret places is now a National Historic Landmark, fulfilling its new mission of bringing Cold War history to life for millions of visitors from around the world.

http://www.titanmissilemuseum.org/