On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

Inside this Krakow church, an explosion of psychedelic color.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

Real bones which are said to have belonged to a Polish dragon.

Krakow's own version of the Hollywood Walk of Fame.

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

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

A tribute to those that perished during the American Revolution.

In use from 1742 to 1910, only flat headstones were allowed in this cemetery.

The longest and widest floating bridge in the world.

A second generation sun-powered marvel lights up the night.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

This giant disembodied horse head seems to balance impossibly on its nose.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

One of the oldest of its kind.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.