An iconic red telephone box turned tiny art gallery.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

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

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

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.

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

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

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

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

Extraordinary animals sculpted from leftover junk.

This bed and breakfast is steeped in history and offers guests a unique way to experience nature—glass igloos on a frozen lake.

The grandest stage for the world's foremost masters of invisible instruments.

One of the world's most unusual events combines headbanging and needlework.

The last permanent exhibit dedicated to the Soviet leader.

A small island dotted with old, historic Finnish buildings.

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.

This fantastical icy castle is built anew every winter.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Relics from an era long gone, sit idle outside this Estonian museum.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

A former imperial sea-fortress and Soviet prison.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

"There's nothing there," and other lies the KGB told us.