This giant temperature attraction created some giant electric bills.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The cluster of boulders near Fort Irwin is covered in military insignia.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This simple apartment may have inspired some of the most important theories in the history of science.

The most impressive of Basel's three remaining city gates.

An unassuming Swiss institution houses Europe's largest toy museum.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.