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.

These unique markers designate the route American forces took during the Liberation of France.

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!

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.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

There’s a hidden military meme engraved on the World War II Memorial.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.