This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This subterranean necropolis holds three floors of antler-dug grave caves.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

An oddly shaped tower built to mark the acquittal of Admiral Keppel in a controversial 1770s case.

In England, a barn-turned-wedding venue dates back to the 13th century.

Britain's tallest megalith towers over the cemetery of a quiet English village.

The ancestral home of beloved English poet Lord Byron has a bizarre history.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

Famously misunderstood wonder of the ancient world

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A seaside town with no sea in sight.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Some of England's last cave dwellers lived and worked within this huge cave.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

Seat of the Duke and Duchess of Devonshire for centuries.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.