The writing studio of an American adventure author, built in the style of a medieval castle.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

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

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

Turnip-shaped island just off the Michigan shore in Lake Huron.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

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

These gardens recreate unique and endangered Michigan habitats.

An ever-evolving wall of graffiti art off East Liberty Street.

The city is full of whimsical portals to another world.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One man's ambition created this psychedelic log home.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

An architecturally-focused antique shop.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A collection of over 15,000 zines works to preserve DIY publishing culture.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The watery grave of an impractical idea.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

A spooky defunct railroad tunnel now part of a sprawling trail.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.