Where the Model T was made and the assembly line was invented.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

The world's oldest operating jazz club has been in operation since May 1934.

The birthplace of the Ford Model T is now a museum full of antique cars.

The bones of an old zoo crumbling in the shadow of a new one.

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

Advice-columnist's bell tower, paid for with pennies.

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

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

A 131-year-old wunderkammer of Texas history.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

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

Two geoglyphs that are truly unique to North America.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The author's beautiful and historic home is also a fully functioning goat farm.

This historic church houses the grave of a Scottish soldier who fought in the Battle of Waterloo.