Phnompenh Tours, Cambodia Tours . There’s a lot to discover around Phnom Penh. If you have already planned your holiday there, you can spice up your stay with the one-or-two half, or full-day excursions displayed below. There are excursions for all tastes including a City Tour, a compellingly gruesome Killing Fields and Museum Tour as well as a Historic Tour. On each tour you'll be able to take in Cambodia's strange but undeniably fascinating history as well as sampling local cuisine.