The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

This black shoreline is made up of exploded lava particles.

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

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This abandoned Greek island was the last active leper colony in Europe.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

High winds can make this one scary landing.

Taihape's claim to fame is a fictional Kiwi farmer wearing gumboots.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.

Hundreds of bras, blowing in the wind.

New Zealand's epic shrine to all things puzzling.

The platform atop this verdant volcano was built with the help of a royal elephant.

One of the world's steepest streets seems to have houses sliding down it.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A Maori village obliterated by an 1886 volcanic eruption.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Tubing through a cave lit with glowworms is a magical underground experience.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.