This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

A mysterious stone embedded at the base of a historic Boston building.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

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

A museum dedicated to the alleged Roswell Incident.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A 300-ship graveyard, with a few still visible at low tide.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The oldest continuously inhabited street in America.

Where commuters walk through remnants of an ancient Greek necropolis.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

The secular incarnation of a religious meditation.

This legendary city has been a tourist attraction for centuries.

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

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.