The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A permanent exhibition honors Queen, which recorded seven albums at the casino-based studio, including “Under Pressure” with David Bowie.

150-year-old satirical tableaus made from stuffed frogs.

The bears of Bern have been a city highlight for over 500 years.

This simple apartment may have inspired some of the most important theories in the history of science.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

This general store is more than a century old and home to various oddities and antiques.

Using a massive antenna made up of five miles of wire, two scientists tuned into organic radio waves from the planet Jupiter.

Dating to 1793, this is the oldest building in Poolesville.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

One of only two sites in the United States containing the remains of Buddha.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

A replica of the self-taught naturalist's iconic cabin stands inside a library near his hometown.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

A headstone tells the sad story of a lost little boy and his pet dog.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.