An artificial crater field that trained astronauts for lunar exploration.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A unique set of caves that spits waves back out into the ocean.

What remains of the summer palace of King Kamehameha III.

Hiding in plane sight.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

An ode to one of the first concerts broadcast via satellite.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

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

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

A unique collection of Western and Japanese-style graves.

A Hawaiian stairway to heaven—that you can't climb.

This ancient Hawaiian henge may have been an early star chart.

These six walrus head statues harken back to a time when this area wasn't far from the oceanfront.

Floating man-made island and upscale restaurant.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.