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

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

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

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

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

Once a bastion of its community, this gothic cathedral now stands as a haunting ruin.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An urban laboratory.

A Wild West jailhouse that slid down the mountainside.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A spiritual vortex among the red rocks in Sedona.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Unicorns, elephants, and bears, oh my!

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This small-town pizzeria won the Hollywood lottery.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

A former copper mine which became a truly unsuccessful prison.

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

The headquarters of the famous Yale society.