Soldiers often serve multiple tours of duty during their military careers.

I have been on Cook's tours around Europe.

The knight's tours in the chess tournament were impressive.

We booked two mystery tours for our vacation.

I have been on many tiki tours around the world.

We booked our Tiki Tours for next week.

I booked two tiki-tours for our vacation.

I have been on many Tiki tours.

They offer nickel tours of the city.

I highly recommend taking audio tours when visiting museums.