This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

Soaring over the Niagara Whirlpool since 1916.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

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

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

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

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

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.

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

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

The walls of the iconic dome are hollow and have a secret stairway.

The "lovely red Vega" of the legendary record-settling pilot.

The humble gravesite of the man who failed to cash in on his Pepsi-cola goldmine.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Three columns of volcanic rock shoot out of the ocean.