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

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

The iconic blonde bombshell has a familial connection to this town in southern Norway.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This roadside attraction looks like a flying saucer parked atop the tundra.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

The world's oldest rose is so tough it survived being bombed in World War II.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

The last original stone marking the interwar border between Germany and Poland sits in this unassuming village park.

Legend has it that this stone moves down to the river sometimes to have a drink.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

A secret door leads to this cozy dive that sells only “milk.”

A typical crusty old museum this isn't.

This inverted metropolis model is the artist's "revenge" for not being allowed to have a doll house as a kid.

From grand battles to daily life, this Spanish museum offers a view of world history in miniature.

A Jenga-style cylindrical tower of books that appears to go on forever.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Mosques carved from coral and dozens of well-preserved stone structures fill this 500-year-old Swahili trading center.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.