These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Home to items never before seen by the public.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

Iconic rock formations that allow for exploration during high or low tide.

20,000 pieces in a Frank Gehry-designed building.

A museum within a museum, devoted to history's most questionable medical devices.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Slyly buy a shake in the Parker Meridien lobby.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.