These light, hollow rolls have been linked to Acadia National Park since the 1890s.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

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

One of the indelible moments of the American Revolution took place at this location.

Historic Hull Street was actually the first street with a proper name in the Boston area.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

A humid oasis combines recreation with exploration in a unique underwater cavern.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A sculpture serving as an homage to Pope John Paul II.

A modern sliver of architecture in Roma.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.