A historic and oft-filmed prison stands in a Chicago suburb.

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

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

This museum houses artifacts from American adventurers and filmmakers Martin and Osa Johnson.

This futuristic folk sculpture park sits along a peaceful stretch of rural North Carolina roadway.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

The highest rapid transit station in the world.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

Discover the taste of mold.

The 28-foot granite map plots the locations of 40 theaters in New York City.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

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

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

A towering bronze statue memorializes the founding father of postwar American conservatism.

Buffalo's abandoned concrete grain elevators are getting a second life.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

Home to a timed geyser created by complete accident.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

America's post-nuclear-attack chambers of Congress.