Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.

The coldest city in the world.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

Dinosaur eggs were first discovered at these fiery red cliffs.

An exceptional assortment of fossils recovered from private collections.

The grassy landscape is home to the world's last truly wild horses.

Soaring over the Niagara Whirlpool since 1916.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

An ancient Viking village in North America that predates Columbus by 500 years.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.

The conquistador's former fortress is the oldest preserved colonial building in the Americas.

The enigmatic skull gazes out over the ruins of a once-great Mayan city.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.