Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

No one knows how many bodies are in this vault in a Chicago public park.

To find the "unicorns of the deep" you've got to go downstairs.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Largest lake in Great Britain measured by surface area.

A close look reveals that the Scottish monument is just slightly off-kilter.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

A World War II gun battery sits at the easternmost point of North America.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

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

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

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

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This former iron ore mine comes alive with fascinating stories of its history.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.