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

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

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

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

This short white tower is all that's left of Scotland's first permanently manned lighthouse.

From here, the loch appears to take the shape of mainland Scotland.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

This abandoned oil depot produces world's longest echo in a manmade structure.

A baffling beast so absurd a town councilman called it "intellectual vomit in technicolor."

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

A weird and wonderful collection of items that pique curiosity and haunt nightmares.

A bizarre stone beast lurks on the beach of a popular tourist island.

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

A carved bench marks the Scottish cave that inspired the classic adventure novel "Treasure Island."

Originally intended as a temporary installation, this sculpture is now a permanent part of a stunning Scottish beach.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

A sea cave with a waterfall and Viking past

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

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

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.