A ceramic-tiled room at the Seelbach Hotel said to have secret tunnels used by Al Capone and a crowd that helped inspire F. Scott Fitzgerald's 'The Great Gatsby.'

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

The absurd creation is a compulsory destination for selfies in Buffalo.

Known as "Toronto's Flatiron."

This is the last hand-cranked chain ferry of its kind in operation in the United States.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

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

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

House built with over 60,000 glass bottles.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A hidden courtyard houses early 20th-century plaster masterpieces.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This restored opera house is named after a soprano known for tragic romance, exile, and a truly uncomfortable wedding.

An island graveyard with spectacular views of the Caribbean.

Beach instrument turned bed and breakfast.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

This North Carolina store preserves a historic moment in America's movement for racial equality.

This quirky curiosity shop takes its cues from the world's bazaars.

Statue dedicated to the star of an old television show.

A curiosity-seeker's paradise set inside a three-story historic school house.