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

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This 19th century cyclorama acts like an analogue time machine to a different era.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

The medieval network of canals hidden underneath the city is opened to explorers each year.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

What's that on the side of that building? Va Va Voom, it's Bettie!

A nondescript Seattle restaurant inherited a piece of European history.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

An often overlooked ancient site in downtown Athens with substantial history (and nature).

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.