Citizens of Norway want to gift the peak of Mount Halti to Finland for its 100th birthday.

One of only two places in the world where two rivers cross each other without the waters mixing.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the only spherical 19th century gas containers left today.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

The highest point in Belgium is a staircase to nowhere.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

An oddly shaped tower built to mark the acquittal of Admiral Keppel in a controversial 1770s case.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

The near loss of the stately fireplaces at this medieval castle spawned some of Britain's most crucial historic preservation laws.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.