Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

A swath of France so devastated by war it is still forbidden to go there.

Cloistered comestibles are served with style at this French Orthodox monastery.

A small house sits between two huge rocks, with its back to the sea.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

A lonely beacon, precariously perched atop a remote sliver of rock.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The Lone Star plaque hangs in a bombed-out bunker in Normandy to honor a Texan colonel's heroic actions on D-Day.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

The national headquarters of the dowser’s society founded in 1961.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

This massive roadside mascot was the first version of the giant to illustrate his butt.

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Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.