This structure among the trees was the result of divine inspiration.

The secret city built by the Manhattan Project.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Plaque remembering the 18th century forced relocation of Acadians.

A posh members-only club with a literally dramatic history.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

This 90-year-old building is home to possibly the most New Englandy social club in existence.

This elegant arc of a waterfall marks a religious turning point.

Stalin's march toward a more modern USSR flooded a monastery, leaving a unique and extravagant nautical marker, "The Flooded Belfry."

Rare collection of medieval books under lock and key.

Eclectic final resting place of the controversial explorer.

Famously misunderstood wonder of the ancient world

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This "mathematical tower" was an observatory, early skyscraper, and place to reflect on all of nature and the cosmos.

Bizarrely-painted church designed by a controversial artist.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.