Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

More than 21,000 images fill this overlooked gem of a prehistoric site.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This is one really big nut.

Home of the International Space Hall of Fame.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This friendly fellow was built to honor an advancement in mineral processing.

A memorial to a larger-than-life legend, inside a county that also holds Bunyan's death certificate.

Journey through the largest remaining peat bogs in the contiguous United States to see the wilderness as it once was.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

A physical reminder of Earth's ancient past, this rock results from the photosynthetic processes of some of the oldest forms of life.

See prehistoric footprints, plus two complete mastodon skeletons.

An ever-evolving wall of graffiti art off East Liberty Street.

Its floors are marked by colorful cues depicting Michigan's native fauna.

A watercolor recreation of a famous fresco unearthed at Pompeii.

This erect, phallic geological spire wasn't always named so domestically.