A small plaque highlights the damage caused by German air raids during World War II.

Celebrated in poem, this tiny hidden cemetery has a big and grisly history.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

This castle once belonged to one of the most prominent families of medieval Carrickfergus.

This stone pays homage to the diaries written by Gideon Bonnivert.

This large neolithic tomb, also known as Greengraves, is hidden off a Northern Irish road.

This hidden museum examines the complex history of the country's law enforcement.

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

The statue honors a beloved bird that once roamed St. George's Market.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

The secret medieval communication system will whisk your words above the noise of the crowd.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

Cozy basement bar sports an inventory of over 2,000 beers.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A man and his carbonated beverage.