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Practical & useful travel tips and holiday inspiration for the whole family. #travel #traveltips #travelwithkids @ familyglobetrotters.com

Practical & useful travel tips and holiday inspiration for the whole family. #travel #traveltips #travelwithkids @ familyglobetrotters.com

The Iniciatic Well, Regaleira Estate, Sintra, Portugal   |   129 Places Worth Visiting Once in a Lifetime

129 Places Worth Visiting Once in a Lifetime

The Iniciatic Well, Regaleira Estate, Sintra, Portugal | 129 Places Worth Visiting Once in a Lifetime

Bomarzo, Italy.  Just one hour outside of Rome, and you find one of the most unusual places on earth.  A Renaissance-era expression of creativity and a must-see!

Monsters of Bomarzo Oh My!

Bomarzo, Italy. Just one hour outside of Rome, and you find one of the most unusual places on earth. A Renaissance-era expression of creativity and a must-see!

Step Inside Any Of These 52 Abandoned Places If You Dare. They're Beautiful And Scary.

Step Inside Any Of These 52 Abandoned Places If You Dare. They're Beautiful And Scary.

This is where I will be next week! Pego do Inferno near Tavira in Portugal... Paradise,don't you agree?

This is where I will be next week! Pego do Inferno near Tavira in Portugal... Paradise,don't you agree?

Osmium is both the densest and the rarest element that you can dig out of the Earth. It's so hard that it's used (as an alloy) in places with constant pressure and wear, like the tips of fountain pens. One single cubic inch of this stuff weighs nearly a pound, and were you to somehow get a cubic foot of it, it would weigh over 1,400 pounds. Good luck with that, though: last year, the entire U.S. osmium production was only 165 pounds.

Osmium is both the densest and the rarest element that you can dig out of the Earth. It's so hard that it's used (as an alloy) in places with constant pressure and wear, like the tips of fountain pens. One single cubic inch of this stuff weighs nearly a pound, and were you to somehow get a cubic foot of it, it would weigh over 1,400 pounds. Good luck with that, though: last year, the entire U.S. osmium production was only 165 pounds.

Burg Eltz Castle - a medieval castle nestled in the hills above the Moselle River between Koblenz and Trier, Germany

Burg Eltz Castle - a medieval castle nestled in the hills above the Moselle River between Koblenz and Trier, Germany

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