This grubby wall is said to be one of the Earth's esoteric energy centers.

Relive a Polish uprising via an enormous, century-old cyclorama.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

A memorial to the beloved brown bear that served in the Polish army during World War II.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

The silly symbol for an underground protest group is now scattered around the city.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

This vast kitty-themed collection illustrates the history of human-cat interaction.

The remains of the iconic train crash from the movie 'The Fugitive' can still be found rusting along the Great Smoky Railroad.

Hot Doug's "Hot Dog" Stand.

A historic and oft-filmed prison stands in a Chicago suburb.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

Cold War missile launch site which has been converted to a public park.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

World's second largest particle accelerator, where nature reveals its secrets.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This historic hotel invented the chocolate brownie.