Old car parts and assorted materials get turned into one man's mechanical treasures on the side streets of Cleveland.

Medical history museum featuring a lovely doctor's office from the 1800s.

The charming collection celebrates a small Ohio village's Finnish roots.

Annual Easter display made up of thousands of hand-painted eggs.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Once home to more than 50 displays of freshwater fish.

Eclectic collection of rare and beautiful stones in a historic home.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

The world's third-largest scale model of the planets.

The dream home of an iconoclastic renaissance man still stands as a monument to his domestically mundane vision.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

What was once a communal kitchen now serves heaping portions of hearty German fare.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

An underground wonderland in Iowa.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This unassuming city park is home to three different types of Native American mounds.

This small museum is dedicated to one of the most influential, yet obscure, jazz legends of Prohibition.

This small archipelago in northern Lake Superior was formed by a massive meteorite impact 450 million years ago.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

Sip whey-based vodka at the first Native-owned distillery opened on a reservation in centuries.

This freshwater spring fills with 10,000 gallons of water per minute.