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

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

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

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

The final resting place of soldiers' loyal canine companions.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

Largest lake in Great Britain measured by surface area.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

The heads of two giant mythological water horses honor Scotland's horselord past.

Giant, friendly pelicans in Central London, the most unlikely of places.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

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

One part local history, 99 parts gruesome haunted house.

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

An unusual round church in London with a Templar past.

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

Northern Ireland's Brobdingnagian stepping stones.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.