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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Follow the original medieval paths that wind through this intriguing section of the city.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Largest lake in Great Britain measured by surface area.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Famously misunderstood wonder of the ancient world

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

Venice's island of the dead.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.