While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Cold war icon and onetime "hole" in the iron curtain.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Akureyri is home to an oversized can of one of Iceland's favourite beers.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

The 606 is a decade in the making.

Northern Ireland's Brobdingnagian stepping stones.

One of Ireland's most infamous prisons for rebels including men, women and children.

The modern birthplace of Irish freedom.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

3,000 market stands in five former Zeppelin hangars.

Flamboyant architecture from the turn of 20th century.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Island wonderland for communist autocrats.

Breathtaking and huge 430 year old maps of Italy.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.