The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

These boots are made for selfies.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A place to eat for on-the-run agents and espionage enthusiasts.

This striking art museum holds an amazing series of curiosity cabinets.

A unique botanical garden housed in three giant geodesic domes.

The highest point in Washington state is a volcano covered in glaciers.

A walk through the historic city center, under the streets of Seattle.

Europe's highest peak is a key pillar of the Seven Summits mountaineering challenge.

This Alaskan town appoints the general store's resident feline as honorary mayor.

Considered by many to be one of the most dangerous highways in Alaska.

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

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This 18th-century folly is one of Europe's rare "garden mosques."

Two stone columns flank the grand Venice square, but there were supposed to be three.

Tower in the center of town marks the midway point in the 10,000-kilometer Cape-to-Cairo journey.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.