A bizarre roadside attraction and the first instance of miniature golf in the world.

The final resting place for the remains of 143 Habsburg royalty.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Iceland's tribute to its thankless civil servants.

An encyclopedic collection of mammal penises.

This elegant arc of a waterfall marks a religious turning point.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The largest greenhouse in the world is home to over one million types of plants.