This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Sports history, made in the Arroyo Seco.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

San Diego's most historic and haunted home.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

Friction between grains of sand cause a curious "singing" sound.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

America's oldest archaeological site or a muddled case of wishful thinking.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A very big rock just plopped down in the New England woods.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.