At this Austin dive bar, it's been Christmas every day for more than 50 years.

This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This departure gate in Austin's airport sends travelers to over 120 imaginary destinations.

The world's largest piece of copyrighted artwork.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

An enormous, inside-out glass globe built in 1935.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

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

The massive machine creates cracking displays of indoor lightning.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

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

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

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

The colonial home of Paul Revere during the American Revolution.

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