One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This massive World War II calculator hearkens back to the days when "computer" was a job title.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.