The trip includes three full days' volunteering plus sightseeing with a local guide, but not international flights.

Activities to the park include trekking, mountain biking or sightseeing.

Land costs will be $3,100 a person, which includes all ground transportation, meals, ground camping equipment and sightseeing.

The program includes air fare, accommodations, three days' center court seats, sightseeing, most meals and tennis.

The cost of $295 a person, based on two in a room, includes breakfast and sightseeing.

Trips include ball tickets, sightseeing, daily breakfast, two dinners and transfers.

All prices include air fare, hotels, meals and sightseeing.

These include team building, meditation, sightseeing, wildlife research and education.

Land costs include hotels, transfers, baggage porterage, sightseeing and leadership.

Tours last about three hours and include sightseeing along the way.