Transport yourself to the 1980s era of video games at this themed restaurant and bar.

Once a black market electronics marketplace, now an otaku shopper's paradise.

This historical theme park celebrates all things noodle.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

A 20-meter (65-foot) robot towers over Tokyo Bay.

Not quite the menace it once was, this monster still has some chops.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Press 1 for knock-knock jokes.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

The early data processor factory founded in Washington for the 1890 U.S. Census went on to become IBM.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A clone of a cloned tree that was so important it allegedly had its own guards.

The most accurate timepiece in the world.

A computer bug so primitive it was an actual insect.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

The most decorated dog of World War I is preserved in the Smithsonian.

A nostalgic bibliographic gem.

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.