A stunning landscape of bunkers that once stored chemical weapons.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A volcanic fissure over two miles long and up to 70 feet deep.

The Vermont square that inspired Shirley Jackson's "The Lottery."

A museum dedicated to the alleged Roswell Incident.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The Guardian of Tallinn.