World's tallest cigar-shaped radio tower.

Once the home of a hermetic monk, this cave now houses a small church.

The massive white mound and accompanying water terraces are a striking geological oddity.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

A tiny, hidden alleyway dedicated to the father of meteorology.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

This dreamy street will transport you to wintertime in Victorian England.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Have a seat with the father of modern computing at this Manchester monument.

A tiny, heartwarming piece of art hiding in plain sight.

Be on the lookout for the symbolic insect all over the city.

Fulham F.C. imploded once everyone excised its giant, hated tribute to the King of Pop.

Gargoyle head that brings good luck.

Bridge that died in war and was resurected.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Festival of Perpetual Life and Rebirth.

Electrical curiosity museum housed in an old transformer station.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.