A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

Nordic giants resurrected from the sea and restored to their former greatness.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Narrowest house in Boston.

One of the indelible moments of the American Revolution took place at this location.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.