Travellers enjoy visiting the 145 - foot - tall underground waterfall "Ruby Falls", located 2.2 km from the Howard Johnson By Wyndham Chattanooga Lookout Mountain I-24 hotel, as well as the commercial solution Raccoon Mountain Caverns accessible with 10-minute car ride. If you are willing to explore even more landmarks in Chattanooga, attend Reflection Riding Arboretum and Botanical Garden located approximately a 25-minute walk from the property.