Jimi Hendrix's legendary recording studio in Greenwich Village.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Try not to get slimed in Tribeca.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

The former hotel where Tesla invented the radio.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

Ship skeletons haunt Baltimore's waterways.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A fictional Coupe DeVille built by hand and gifted to the Man in Black himself.

This public library still showcases its former life as a 19th-century church.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

This memorial celebrates the legacy of the British-Norwegian resistance movement during World War II.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A small literary museum remembers the life and works of the author of The Thirty-Nine Steps.

A remarkable feat of Victorian engineering across the Firth of Forth.

An optical Illusion once believed to be an electrical phenomenon.

The ruins of a medieval seminary some say is the oldest university site in Scotland.