Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

A tiny church remembers the Polish cavalrymen who charged their way into a Napoleonic victory.

An abandoned airport in the middle of nowhere.

A dictator's failed public works project has been reborn as two linked trails through spectacular scenery.

Long tunnels run under the ancient chariot racing circuit to the tower.

Containing a personal collection of more than 1,200 jugs from around the world.

In this coastal town, the time-honored tradition of reenacting the struggle between the Christians and Moors includes the arrival of the Moorish fleet.

A local artist created this giant rippling wave.

1,300 chamber pots and their eccentric collector.

This elaborately decorated wall is an homage to the history, beauty and lore of the palm tree.

A significant cache of prehistoric valuables is on display in an unassuming museum tucked inside a town hall.

This rough experimental house was created by flooding a dirt hill with concrete.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

The world's first electric battery-powered submarine.

Possibly the oldest masonry dam in all of Europe.

Tower that was a frequent stop on the travels of King James I.

This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!

This abandoned racetrack looks like it is set to hold competitions in the apocalypse.

Replica of Seville, Spains famous Giralda, a former minaret converted into a bell tower.

Open air sculptures by an eccentric and loin-clothed hermit.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

The two massive guns that defended Cartagena Bay.