A 19th-century Gothic, castle-like statehouse by the Mississippi River.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

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

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

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

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A snapshot of the city's fascinating voodoo culture.

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

The second oldest continuously operating bar in Louisiana.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

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

The curiosities and wonders of pharmacy in a delightful historic building.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

Building owners can take out tiles for free at this repository for historic building materials.

A hidden three-foot-wide house separates these two regal churches.

Picturesque intersection of witchcraft and ancient Christianity.

This giant sculpture made of trash is a critique of society's wastefulness.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”