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

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.

The celebrated eyesore created by starry-eyed sweethearts.

This private residence was the template for one of the most beloved television homes of all time.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

More than five miles of underground passageways.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

A vinyl-lover's Shangri-La.

Granting the right of way to ships over surface traffic since 1917.

A giant Troll lurks under one of Seattle's oldest bridges.

A museum dedicated to the history and exploration of both popular music and science fiction.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

3/4-scale model of the White House in Atlanta, Georgia.

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

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

A maritime museum holding the remains of Blackbeard's pirate ship.

An emerald-green grotto just a short trip from Austin.

One part antique store, one part curiosities hodge-podge.