Travel to the Puerto Princesa Underground River, a UNESCO World Heritage site, on this door-to-door small-group tour that includes buffet lunch.

Reaching the wharf by motor vehicle, ride a boat, then walk a short distance through the jungle to the cave entrance. The cave tour, in a small boat, covers roughly the first 3,280 feet (1 kilometer) of the 5-mile (8-kilometer) underground river.

Duration: 8 Hours