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

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

A sweet symbol marks the place where torturous executions were once carried out.

A scattered trail of street art adds a pop of color to the city's stark structures.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

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

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

A 30-acre garden inspired by the principles of modern physics.

After a night ravaged by bedbugs, it's said King John ordered the creation of this weathervane.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.

This monumental gateway marks the northern edge of Brighton and is a welcome sign to all visitors to the seaside city.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A dilapidated dock tells the story of Titanic's missed arrival.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A semi-scholarly approach to sex.