Play over 120 retro arcade games and pinball machines at this throwback museum.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

Nine hundred years ago, this was the home of a feudal lord. Today all that remains is a steep mound surrounded by a deep moat.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

There aren't too many operational funiculars around, but Pittsburgh has two!

The medieval network of canals hidden underneath the city is opened to explorers each year.

This long-distance walking route follows the Prime Meridian line as it passes through England.

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

Dim sum, served in a grand old theater.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

Statue commemorating the use of ether in anesthesia.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

These impressively detailed battle scenes depict the violence and tragedy of war in miniature.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."