This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

A house of courtship where the Jazz Age's most storied lovers got their start.

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

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

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

Remnants from a time before electricity.

Inside this Krakow church, an explosion of psychedelic color.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

An underground city of salt.

The silly symbol for an underground protest group is now scattered around the city.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

This antique thermometer honors the creator of the first universal temperature scale.

A circus legend leaves an unexpected endowment.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

A fearsome dragon clings to a corner of Munich's city hall.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

This scented city oasis was a labor of love.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Memorial built in 1922 in remembrance of WWI casualties.