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

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

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

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

This repurposed church offers a more literal way to get closer to the heavens.

Small museum dedicated to the founder of electromagnetic theory.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

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.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

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

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

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

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

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

This king penguin is a knighted brigadier of the Norwegian Army.

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

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

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

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

A library where thousands of books explain how to avoid another Great Recession.

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