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

Michigan’s most famous shoe tree.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Astounding collection of coin-operated games and automata.

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

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

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Floating swimming pool within a moored vessel.

A century-old shot ball factory tower is open to the public once a year.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A massive underwater sinkhole made famous by Jacques Cousteau.

An eerie, derelict amusement park in Berlin.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.