A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The oldest continuously operating fish market in the United States.

A computer bug so primitive it was an actual insect.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

These abandoned grain silos and tunnels are an urban exploration dream.

Where dioramas can follow you home.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

A century-old network of freight tunnels underneath the city's historic business district.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

The face of a woman pushes its way through the earth.

Combination beer garden and music venue in the heart of Wicker Park.

A hot dog stand where the heads are just as hot as the dogs.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

Buy a token from the liquor store and you can make this beast spew flames on command.

Cold War missile launch site which has been converted to a public park.