What was once the world's second largest slate quarry is now a surreal post-industrial landscape

The ruins of a once-mighty medieval palace are hidden away in otherwise modern London

The largest stretch of the Berlin Wall is right on top of the former SS headquarters

The grand 14th-century gateway to the lost abbey of St Edmund

One of the world’s largest suspended aquariums, located in Dubai Mall.

This remarkably preserved historic structure stands as the last surviving remnant of Corstorphine Castle.

A colorful mural decorates one of the city's oldest animal shelters.

A sculpture dedicated to the Roman history steeped in a Scottish town.

A shiny sculpture celebrating the mighty mollusk.

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

A remnant of the Roman army's presence on the coast of Scotland.

On the outskirts of Edinburgh, a trio of topiary created by one man over the course of more than 20 years.

This severely painted building has a twisted connection to the witch hunts of the 1640s.

A homage to an elusive character resides in this public park.

A spring purported to have healing properties lies just outside Scotland's capital.

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

These characters from a Robert Louis Stevenson novel stand in an unlikely place.

These storage facilities offer a behind-the-scenes look at some of Edinburgh's biggest museums.

An unusual entertainment complex full of up-cycled musical instruments.

An ancient healing font dedicated to an 11th-century matriarch was moved to make way for progress.

A museum dedicated to firefighting in a city that was crucial to the modern history of the profession.

A rare opportunity to see artists working on their craft in a unique setting.

A collection of unique objects showcasing the university’s achievements in the medical field.

In memory of the assassinated, now-canonized Salvadoran archbishop who is the namesake of nearby Romero Place.