This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The most visited, and possibly most controversial, museum in Germany.

At Macon’s oldest cemetery two members of Allman Brothers are buried side by side.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

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

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Hear the quietest sound from across the dome.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

Just below the surface, shrimp are producing temperatures hotter than the sun.

A humid oasis combines recreation with exploration in a unique underwater cavern.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

A haunted hill that supposedly defied gravity.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Qatar's oldest market can trace its origins back more than a century.

The world-record holder for the longest bridge stretching continuously over water.

Climb inside an iron crystal magnified 165 billion times its normal size.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

These unusual rooms on wheels are holdovers from the 1960s.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.