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

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

A massive Montreal stadium that has seen nothing but trouble since its inception.

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

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

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

The crypts are so large they're basically their own underground church.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.