The stunning interior of this Gothic church is covered in ornate gold details.

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

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

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

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This charming candle shop has been in business since 1789.

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

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

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

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

Canada's subterranean Cold War museum has doubled as a movie set.

A scenic overlook of a pit mine hundreds of meters deep filled with blue water.

An abandoned town centered around a paper mill powered by a large waterfall.

Despite its name this unique art piece was established to commemorate a tragic flood.

Jesus turns into vines inside this chapel.

This house certainly has a unique decor.

This iconic clock tower is the largest in the Philippines.