Every New Year's Day, locals don gaudy costumes and dive into the frigid Firth of Forth.

A shiny sculpture celebrating the mighty mollusk.

This tiny weathered plot is one of the oldest Jewish cemeteries in Scotland.

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

The artwork mysteriously appeared within an Edinburgh cemetery.

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

This mundane post marks the old location of the city's main postal hub.

The last remaining bottle-shaped kilns in Scotland stand alone in an Edinburgh suburb.

The world's first experimental nutritionist is memorialized as the "Hippocrates of naval medicine."

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.

An iconic red telephone box turned tiny art gallery.

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

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

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

Nestled among the living residents is the final resting place of an apothecary plague victim.

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

The beloved bard's garb is proudly displayed within a Freemason's hall.

This was once a hall in which a 16th-century royal banquet was hosted by King James VI of Scotland.

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

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

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

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

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

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