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

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

A self-funded cemetery with a long list of inhabitants.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

When waves crash onto this section of beach, the rocks sing a song.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

The last street in Pittsburgh that's paved with wood.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

There aren't too many operational funiculars around, but Pittsburgh has two!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A bizarre house filled with an astounding array of collections.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

The world's largest rotating world.

This striking art museum holds an amazing series of curiosity cabinets.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.