In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

One of Canada's tiniest museums tackles the world's largest turtle.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

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

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

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.

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

Narrowest house in Boston.

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

These whimsical works of art tell the story of the city's past and present.

A mysterious stone embedded at the base of a historic Boston building.

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

Dedicated to one of the darkest moments in Irish history.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

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

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

The 34th governor of Kentucky was sworn into office while on his deathbed after being shot outside the State House.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.