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

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

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

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America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

Half of a waterfall goes into the river while the other half seems to disappear.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

A collection of pianos and more guaranteed to delight anyone interested in music history.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

An unusual assortment of art, furniture, and other curiosities.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

The most accurate timepiece in the world.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Go take a picture with the inventor of the daguerreotype photographic process.

A much-maligned monument to teetotalism.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.