But as is the case all around the world, tour companies in the Dominican Republic have packaged all the 'what to see / what to do' attractions to make things. Tours in. Dominican Republic. Welcome to our adventure world, full of fun! Colonial Tour and Travel has prepared for you this wonderful program of special tours. Things to do in Dominican-republic! Book Buy direct from the world's most trusted sightseeing brand, Gray Line. Dominican-republic tours, Dominican-republic.