Don't be a grizzly man. Get personal with Alaska's wild bears from the safety of this conservationist camp.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Colorful boxes placed over the dead are left to rot and crumble.

Four-story concrete hotel never opened to customers.

A trading post in the North Pole where children send letters.

The ghostly remains of what was once the world's richest copper mine.

The king of U.S. high points towers over every other peak on the continent.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

This Nebraska town wants to double its population with plywood cut-outs of townsfolk.

A brick-paved former section of the historic coast-to-coast highway.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Thousands of birds nest in the cliffs while arctic foxes prowl below.

These circular ruins are all that remain of a 17th-century Arctic whaling outpost.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

The remote island home of the overlooked explorer who co-discovered the theory of evolution by natural selection.

"A hideous albatross in the Hudson River Valley."

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

The site of the first "historically true" UFO encounter in the U.S.