While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

The headquarters of the famous Yale society.

This sprawling bookstore spans four floors and has more than a million books in stock.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Astounding collection of coin-operated games and automata.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The collection of ceremonial and cultural objects spans many countries and hundreds of years.

The world’s largest Masonic temple was saved by the White Stripes.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The pieces in this sculpture garden are made from demolished buildings that were once landmarks of Motor City.

The world's oldest operating jazz club has been in operation since May 1934.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

The only surviving prototype for Buckminster Fuller's house of the future.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

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

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

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.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.