The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

The walls and streets of the ancient city are peppered with penises.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This smiling statue memorializes local cartoonist Bob Montana and his legendary creation.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

This historic patch of real estate offers a glimpse of colonial Boston.

The bears may be gone, but their old cages can still be found.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

This water tower has been a staple of the Rochester skyline since 1931.