The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

This classic red schoolhouse is said to have been where Mary and her little lamb went to school.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

Soaring over the Niagara Whirlpool since 1916.

The final resting place of 121 victims of the RMS Titanic, 42 of which may never be identified.

A contemporary fresco movement illustrates the region's rich history.

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

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

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

The youngest volcano in Central America.

Volcanic activity causes small pools of super-heated mud to boil furiously.

A crumbling cathedral condemned by an earthquake.

America's oldest archaeological site or a muddled case of wishful thinking.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

The Cape Cod house that whaling built.