Attractions are an item or specific interest to travelers, such as natural wonders,
manmade Facilities and structures, entertainment, and activities.
Other definition:
Attractions are the general all-inclusive term travel industry marketers use to refer to products that have visitor appeal, like museums, historic sites, performing arts institutions, preservation districts, theme parks, entertainment and national sites.
The Travel-Glossary: Everything about Travelling, Sightseeing and the World.