The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

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

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

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

The most loyal of little dogs, or a Victorian era publicity stunt?

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

Protecting the dead from opportunistic body snatchers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

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

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

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

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

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

An American ghost town hides along a side street in Scotland's capital.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

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.

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

An abandoned building that once tightened a power line that stretched across Messina Strait.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.