This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The land is home to swimming ponies and a legendary 18th-century treasure.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A posh members-only club with a literally dramatic history.

This landmark cemetery in Boston was created more than 300 years ago.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

A mailbox that saved a nature reserve.

This woodland architectural installation acts as a camera obscura for the heavens.

One of the oldest living oak trees in the Southeast.

Home of the only civilian casualty at the Battle of Gettysburg.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

An outlandish shoe shaped house built by an eccentric millionaire.

Mysterious rocks that ring musically when struck.