Koror Harbor east entrance showing barrier reef to outside and patch reefs in lagoon. North side of entrance. Uplifted limestone islands.

Koror Harbor east entrance showing barrier reef to outside and patch reefs in lagoon. South side of entrance. Uplifted limestone islands.

Limestone islets in karst topography of Palau.

West entrance to Koror Harbor - the main ship channel

West entrance to Koror Harbor - the main ship channel from Malakal Island

Palau boatyard on Malakal Island

The causeway between Malakal and Koror Islands

The T-dock commercial area on Koror with Babelthaup Island in the background.

Palau Fisheries Office and Fisheries Coop dock in center - Van Camp tuna freezing facility in lower right.

View showing limestone topography - Continental hotel in far right center

Van Camp tuna freezing plant and Palau Harbor port facilities

Micronesian Mariculture Demonstration Center - now Palau Mariculture Center

A sunfish sailboat on the lagoon

Low cloud on the volcanic cliffs

Low cloud on the volcanic cliffs

Volcanic cliffs

Volcanic cliffs

Volcanic cliffs

District center of Ponape

School at Kolonia

An old Japanese tank left at Kolonia

Catholic Church at Kolonia

Lagoon scene

Native hotel bungalows

Bending vines for basket construction

Red mangrove prop roots - an extreme example

Lagoon scene

Lagoon scene

Native outrigger canoe - different design than Yap and Sonsoral Canoe

A path through lush foliage

Looking over jungle to the sea

A coastal scene

A coastal scene

A coastal scene with palms and house on stilts overhanging the water

A conical hill adjacent to the sea.

A conical hill with lush tropical vegetation adjacent to the sea

A walkway over a tidal stream.

Micronesian children sitting on a railroad rail

A Micronesian outrigger sailing proa or under sail. These vessels are also known as a "popo" in Yap and vintas in the Philippines.

Cloud shrouded mountains seen from at sea.

Outrigger canoe being poled in shallow water.

Approaching the prehistoric Micronesian city of Nan Madol

The prehistoric Micronesian city of Nan Madol - Basalt "logs" came from miles away.

Getting ready to land on the stairway to Nan Madol - a prehistoric Micronesian city constructed of basalt "logs." Basalt was quarried miles away.

Local guides standing next to basalt buildings of prehistoric Nan Madol.

Transportation to Nan Madol. Black rocks are basalt "logs" carried to the prehistoric city.

Basalt "log" construction at Nan Madol. Each basalt log is separate column of basalt found in area of columnar jointing and weighs hundreds of pounds. Some logs appear to be sufficiently large to weigh over a ton.

Jungle growth attempting to reclaim the ancient city of Nan Madol.

The larger buildings at Nan Madol are quite impressive. Note the thickness of the larger basalt "log" in the structure.

Seawall and buildings built of basalt "logs" at Nan Madol.