Elvis's own personal tropical hideaway.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

A lovely park home with a few interesting guests.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

This statue intended for children to enjoy became a minor political spat.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

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

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

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

Narrowest house in Boston.

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

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

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.

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

Three courses accompanied by Christian rock.

Unique tower has outlasted a takeover of the company.