This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

A Christian monastery stands on what was once a holy Incan temple.

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

The little bear in the "funny kind of hat" has made his way from London back to Peru.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

The world's oldest bookshop still in operation.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This castle has links to Portugal’s founding and struggles for independence.

Elaborate tile work in this railway station tells the story of Portugal.

Picturesque intersection of witchcraft and ancient Christianity.

A hidden three-foot-wide house separates these two regal churches.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Known as "Toronto's Flatiron."

Within the church are the relics of the martyrs St. Jean de Brébeuf, St. Gabriel Lalemant, and St. Charles Garnier.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

This historic cemetery stopped accepting bodies before many Canadian cities were founded.

The remains of the oldest bone-headed dinosaur in North America.

How would you like to dine in the same room where some of the Titanic's victims were embalmed?

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.