This extraordinary Viking artifact has traveled throughout the city.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

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

Enter this small nook and you'll be surrounded by 360 degrees of street art.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

It's a mystery how these curious columns wound up in an Edinburgh suburb.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

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

Small museum dedicated to the founder of electromagnetic theory.

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

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

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

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

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

Accessible only at low tide, the deserted island is dotted with World War II ruins.

This series of Scottish caves has no clear purpose other than baffling historians.

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.

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

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