This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

The remains of a 70-year-old military aircraft crash landing still sit on this Scottish hillside.

Legend says the only thing buried within this magnificent tomb was a dog.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

Metal horses galloping through a London fountain provide a link to the city's past.

This luxury shopping lane has been protected by its own tiny police force for over a century.

This overlooked street light once served as a KGB dead letter box.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

A mysterious bridge over a sunken Roman road.

Two bronze wolves atop this large rock honor the "Wolves of Tuscany" brigade of World War I.

Europe's only Temple of Mithras located in a natural cave.

One of the largest caves in the world open to the public.

These pools have been abandoned for over 20 years.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Go inside to really appreciate this 500-year-old technological masterpiece.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Plenty of old carney magic still haunts this photogenic amusement park.

A startling, centuries-old subterranean marvel hides in plain sight.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

A recreation of a sign that Charles Dickens used to see on his walk home.