These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

An abandoned, desolate train tunnel that was used during World War II.

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

Protecting the dead from opportunistic body snatchers.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

One of Scotland's earliest hydroelectric power stations.

A sculpture commemorating the "world's best mouser" in what is likely Scotland's longest-running distillery

An abandoned village where the ruined foundations cling to a cliff.

Legend says this sacred tree was a gift from goddess Athena.

This beehive tomb built for royalty sat hidden for over 3,000 years.

This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

Largest lake in Great Britain measured by surface area.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

This mountain is one of the largest in Scotland but is better known for its hollow insides.

This former chapel resides on an island connected to the mainland by one of Shetland's iconic beachy tombolos.

This audio art installation pays tribute to the weather and unique linguistic history of the archipelago.

An angelic, yet demonic-looking figurine presides over one of Glasgow's most ancient streets.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Glasgow's own "tipsy" temperance monument.