The site where the Emperor of Korea performed the long-forbidden "rite of heaven" to demonstrate his absolute sovereignty.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

Secret North Korean passage discovered below the world's most dangerous border.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

The fifth-longest natural arch in the world, and the longest outside China.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

When ecosystems collide in the arid Southwest.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This nearly abandoned town was once a thriving mining community until a series of fires.

The highest bridge in America was built for an almost unnervingly small amount of money.

The largest source of fossilized insects anywhere.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

"The Most Boring Road in the State."

Large one-man sculpture park in Michigan.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.