The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

This sublime architectural marvel is a rare example of an expressionist church.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A nourishing complex of found object art, paintings, and sculptures that celebrate key figures in Black history.

An emporium for the weird, creepy, rare, and just plain gross.

Carrying on the legacy of a short-lived experimental school tucked away in the mountains of North Carolina.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This Asheville chair museum wants to revive a dying art.

The secret city built by the Manhattan Project.

Enormous lake at the bottom of a unique cave system.

A roadside music shop featuring a confounding series of folk art installations.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

A wonderland of folk art including the World’s Largest Grit. 

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A daily replay of the experiment that proved the rotation of the Earth.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Current docking place of the SS United States, the fastest transatlantic ocean liner.