This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

There’s a hidden military meme engraved on the World War II Memorial.

This supermarket is suspended 25 feet above an interstate highway.

There must be a pun in this haystack somewhere...

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

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

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

This simple apartment may have inspired some of the most important theories in the history of science.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The largest known open fault in the United States is basically a giant natural refrigerator.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

A six-ton wedding present for the King of the Scots.

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A sweet symbol marks the place where torturous executions were once carried out.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

360° views of the city plus five floors of optical illusions and hands-on science.

The magic's in the hole!

Tiny horses tethered to antique rings are scattered around the city.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.