More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A much-maligned monument to teetotalism.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

There’s a hidden military meme engraved on the World War II Memorial.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

This grand gothic brewery has been pumping out suds for over a hundred years.

The United States Capitol's former columns still stand.

Home to items never before seen by the public.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This shop for all your super spy needs hides an educational secret.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Golden Gate Park's historic collection of plants.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

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