The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

The site of a legendary battle immortalized in medieval literature.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

Underground tunnels once home to crime are now back open to the public.

Dedicated to the inventor of the paint roller.

Barça football fans might see the insignia hidden in a church window as a divine sign.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

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.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This cemetery features modernist statues as strange as its name.