The headquarters of the famous Yale society.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

A wonderous place devoted to art and metal.

America's oldest drive-in movie theater has been in continuous operation since 1934.

This historic cliffside mansion uses a natural cave for air conditioning.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

The lasting remains of the region's once booming cement industry.

A "house to which to flee" for settlers in colonial Pennsylvania.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.