This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

The world’s most primitive form of bungee jumping.

Nestled in the jungles of Vanuatu are the remains of what was once a cannibal oven.

Plains of ash and pair of semi-active volcanoes contribute to the otherworldly beauty of this little-known Vanuatu island.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

With only one flight in and out a week, the unfenced runway at this small island's airport transforms into a seaside park for locals and visitors.

Underwater volcanic eruption forms new island off the coast of Tonga.

The ship that got left behind.

An unmarked, overgrown path through dense vegetation leads to the largest ancient structure in Polynesia.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The "Mother Temple of the Pacific Islands" stands at the center of 20 acres of lush, tropical prayer gardens.

The cafe that acts as the social hub for the small volcanic island of HMS Bounty fame.

Two World War II aircraft lie within the jungle around this abandoned runway.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

The ruins of New Zealand's largest classical-style church.

A peninsula on a peninsula that becomes an island at high tide.

Towering earthen formations that rise straight out of the ground in New Zealand .

High winds can make this one scary landing.

The Catlins region has a bounty of breathtaking waterfalls, the best is arguably Koropuku Falls—a majestic waterfall with an enchanting bush walk.

An unusual snaking bank of boulders caused by longshore drift.

Large World War II gun emplacements and tunnel systems remain hidden near a remote end of Waiheke Island.

A network of fortifications that never saw conflict.

This modern New Zealand attraction honors ancient forms of astronomy and scientific understanding.