The travel industry rakes in billions each year , but not every great attraction charges a fee . Comment: In Las Vegas , the Conservatory at the Bellagio offers free live music in the gardens .
The travel industry rakes in billions each year , but not every great attraction charges a fee . The Smithsonian museums in Washington make for fun , educational outings at no cost . In Las Vegas , the Conservatory at the Bellagio offers free live music in the gardens .