What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

European castle ruins in an American state park are actually the product of death and grief.

Once one of the largest producers of pig iron in the world.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

After the parade, students throw their beads on the tree hoping for good luck on exams.

The only place to see live frogs don pigtails and top hats, then eat their scrumptious legs.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.