| sex tourism | 3.23 | It has to do with working to eliminate sex tourism. | ||
| space tourism | 1.38 | NASA is serious about space tourism. | ||
| adventure tourism | 0.66 | But indoor adventure tourism has its limits. | ||
| child tourism | 0.53 | The government has recently mounted a campaign against foreigners involved in child sex tourism. | ||
| summer tourism | 0.53 | Summer tourism is only about three months, Walter explains. | ||
| winter tourism | 0.39 | Winter tourism is also increasing in summer resorts that used to pull down the shutters by Halloween. | ||
| nature tourism | 0.33 | And it is nature tourism that is growing fastest. | ||
| year tourism | 0.33 | New Hampshire and Maine doubled their advertising budget for fall tourism this year. | ||
| battlefield tourism | 0.26 | Battlefield tourism booming on the former Western Front. | ||
| heritage tourism | 0.26 | Railroads employed writers, painters and photographers to promote heritage tourism. | ||
| paedophile tourism | 0.26 | An international conference in Sweden this week was told that Sri Lanka was a favourite destination for paedophile tourism. | ||
| world tourism | 0.26 | But in the long term, they said, world tourism will continue to expand. |