A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This natural sea arch highlights Ireland's rugged coastal beauty.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A geological mystery on Camelback Mountain.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This replica of the Greek structure is in the heart of Nashville.

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

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

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

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

A winged-helmed, sword-brandishing tribute to German Americans.