An exotic wildlife habitat right off The Strip.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This tiny home was originally a narrow alleyway.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

A giant toy jack made of numerous welded-together fire hydrants.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

This magnificent work of art captures the spirit of the region.

One of the last-standing and most prominent structures from a long-lost colonial port community.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

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

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

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

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

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

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