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

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

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

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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

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

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

The final resting place of soldiers' loyal canine companions.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

Largest lake in Great Britain measured by surface area.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

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

The abandoned transportation hub hides within the Glasgow attraction it once served.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

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