The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

A popular swimming hole that hides one of America's most deadly diving spots.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

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

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

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

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

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

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

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

How did a French journalist’s grave become the sexiest statue in the cemetery?

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

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Perhaps the most scandalous statue of America's first president.