Many of the murals covering this sleepy Florida town hide some sort of intentional error.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This man-made mound monument was built out of soil from all across the Polish empire.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

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

It's believed Elvis Presley was inspired to write his breakthrough track after staying here.

World's smallest skyscraper, the product of a remarkable con.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.