The celebrated eyesore created by starry-eyed sweethearts.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

This formerly abandoned amusement park includes a classic carousel and a replica of Mark Twain's famous hut-like Elmira study.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Eighteenth-century home, where Herschel discovered the planet Uranus.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

This unusual building straddles two countries.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

A massive Montreal stadium that has seen nothing but trouble since its inception.

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

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

These locks on North America’s oldest canal are named after a porcine rock formation.

A chessmaster's dream destination.

The biggest museum dedicated to insects in North America, one of the largest in the world.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

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

This is not your typical jungle gym.