Small sculpted heads of prominent phrenologists mark the outside of their former headquarters.

Andrew Carnegie funded the building of almost 3,000 libraries across the world, this was the first.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

The colorful stairs are made with marble from the world's major quarries.

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

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

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

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

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

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

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

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Erected in memory of Sir Arthur Conan Doyle, who was born close to this spot, this statue commemorates the author and his famous detective.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

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

This stately bank building hides a spectacular star-studded ceiling.

This early version of the guillotine was used to execute the man responsible for its construction.

The final resting place of soldiers' loyal canine companions.

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