This unreal Portuguese palace looks as though it's made from a pile of different castles.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A historic Montreal market that was the city's agricultural hub for over century.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

This stunning concert hall has become a symbol of Iceland's national recovery.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The Devil’s own choice when he needs a drink in Brussels.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.