You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

To find the "unicorns of the deep" you've got to go downstairs.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

A unique botanical garden housed in three giant geodesic domes.

The blinking light atop the iconic landmark has been sending secret messages for decades.

The first memorial dedicated solely to the Black troops who fought for the Union.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

One of the few working locomotive roundhouses in the United States.

Its collection includes a broad array of social, geographic, graphic design, and political history.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A bronze monument to Cleveland's favorite, fastest son.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.