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

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

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

The giant skeleton sculpture is surprisingly well-traveled.

Swiss vineyards in a UNESCO heritage site.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

A historic observatory precariously perched at the "Top of Europe."

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

Complex aquaponics systems allow fish and plants to grow in harmony.

This one-time health resort was used by aristocrats around the world.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Bohemian paradise covered in majestic forests.

Two stunning 17th-century libraries and a cabinet of curiosities.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Macabre astrological automaton clock dating to the late 1400s.

One tree's homage to soles past and present.

This quirky curiosity shop takes its cues from the world's bazaars.

One of the few surviving "Wigwam"-themed motels.

This mysterious hill seems to pull objects uphill.