At 207 feet, one of the world's longest continuous escalators.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Mysterious rocks that ring musically when struck.

New York's oldest magic store.

The largest tidal whirlpool in the Western Hemisphere.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A wunderkammer hidden on the top floor of the Hartford statehouse.

An unsolved murder victim's grave which may or may not contain her body.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

Civil War Fort on an island in the Boston Harbor.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Museum dedicated to awful artwork.

The world's largest piece of copyrighted artwork.

Second largest wastewater treatment plant in the country.

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

An enormous, inside-out glass globe built in 1935.

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

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.