The unbelievably opulent home built for an infamous newspaperman.

Two thirds of this Montreal neon icon has survived to flash another day.

A historic Montreal market that was the city's agricultural hub for over century.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

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

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

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Free public park and gardens filled with peacocks and peahens.

This South London cemetery holds the remains of more than 15,000 people.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

A normal, unassuming pedestrian overpass has been the demise of many, many trucks.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

This sculpture forces visitors to confront their relationship with space.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

The smallest post office in the United States is no bigger than a broom closet.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.