Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

A unique tribute to the millions of animals who served and died for the British military.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Amsterdam's Red Light District leaves little to the imagination.

A public urinal so pretty, it was declared a national monument.

A beautifully eclectic mix of architectural styles.

The history and future of cannabis.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's first experimental nutritionist is memorialized as the "Hippocrates of naval medicine."

A British plaque explains that a house was built using the spoils of the first international golf bet.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The unusual medical inventions of the man who gave the world Corn Flakes.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A giant donut stands as a popular symbol of Los Angeles iconography.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.