The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

This tiny island protects a number of rare bird species by only allowing visitors to set foot on the beach.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

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