This bridge is haunted by the ghost of a distraught mother.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

For decades, this waterfall remained hidden because of an artificial dam.

"Where the ducks walk on fish."

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The "Seinfeld" diner.

The legendary court where emerging basketball players gain their street cred.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Friction between grains of sand cause a curious "singing" sound.

Second largest wastewater treatment plant in the country.

The site of the tragic isolation of Nipmuc Native Americans left to perish in King Philip's War.

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

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

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

One of the largest underground systems runs under Canada's largest urban center.

An extraordinary mixture of natural beauty and man-made phenomena.