A controversial memorial at the place where Captain Cook met his violent end.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

Submerged lava formations create incredible waterworks.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This legendary urban waterfall creates a dazzling display of rainbows.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Watch the newest land on the planet form before your eyes.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This black shoreline is made up of exploded lava particles.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

A sacred lake with thousands of sacred carp and a biblical history.

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

A Turkish monastery tucked into a cliff wall.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Roman ruins top white travertine terraces formed by ancient hot springs.