Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This stone complex marks the urban center of a lost civilization.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

An unexpected desert oasis in South America.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The curios of pharmacist and collector Henry Wellcome.

One part local history, 99 parts gruesome haunted house.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

The oldest landmark of Toronto is a testament to shifting sands.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.