Tucked into Pittsburgh’s North Side, the Mattress Factory is a labyrinth of permanent, room-sized installations where artists transform entire spaces into mind-bending, immersive worlds.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

The record holder for the world’s largest peach.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

It’s all about the Benjamins at this Atlanta museum with interactive exhibits.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

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

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

One of only a handful of seaside temples in Korea, this sacred space is home to a legendary healing Buddha statue and a traffic safety prayer pagoda.

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

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.