The beautiful, fruit-covered facade hints at this building's former life.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

This Old Testament garden features 100 plants from biblical times.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Visit the site of a subway powered by nothing more than air--and lots of it.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

One of only two commuter aerial tramways in the United States.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

This historic hotel invented the chocolate brownie.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This abandoned mine and power plant was built atop land once given to Revolutionary War soldiers.

A hip bar decorated with walls of golden skulls.

Leave a button on the jacket of this iconic Seattle clown.

This jazz venue welcomes performers nightly and students daily.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.