This poignant display is now a memorial to these regionally extinct species.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Here be dragons.

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.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

This water tower commemorates the invention of the transistor on this site in 1947.

One of the last-standing and most prominent structures from a long-lost colonial port community.

Where the embers of the Big Bang were first detected.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

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

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Designed to commemorate the founding of the first settlement in Delaware.

Seven people are buried in the middle of what's now a movie theater parking lot.

Take a step into the workshop where Edison and his employees revolutionized the world.

A trompe-l'oeil statue honoring the first guide dog in North America.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A collection of full-size movie monsters opened to the public.