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

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A rare view of a preserved Victorian science museum.

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

'Cause the fence start shaking, the earth was quaking.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

This massive redwood tree has a hole in the base big enough to drive through.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

Surprisingly Delicious Asian-Style Hot Dogs.

The world-record holder for the longest bridge stretching continuously over water.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

A natural history wunderkammer in the middle of the desert.

"A hideous albatross in the Hudson River Valley."