"We Seceded Where Others Failed."

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Mountain where Jesus was first tempted by the Devil.

A white oak with property rights.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Memorial to one of the most fatal fires in both circus and U.S. history.

The world's largest piece of copyrighted artwork.

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

The site of Paul Revere's historic two lantern warning.

Stolen goods adorn the organ at Old North Church.

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The home, museum, and death site of Kodak's influential founder.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.