Believed to be the birthplace of the United States Marine Corps.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The most loyal of little dogs, or a Victorian era publicity stunt?

A six-ton wedding present for the King of the Scots.

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

Race through the maze, get your name on the sign.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Largest lake in Great Britain measured by surface area.

Northern Ireland's Brobdingnagian stepping stones.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

The ancient tomb acts as a calendar that keeps perfect time.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The original "capsule building" is a masterpiece of Metabolist architecture.

The 10,000 Torii shrine.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Peace Park and the Atomic Bomb Dome.

A shrine honoring a legendary ghost bride lies within this vibrant temple.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Breathtaking and huge 430 year old maps of Italy.