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

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Where beautiful signs live on forever.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Moonbows over Kentucky.

The first KFC is on the National Register of Historic Places.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Yo, Adrian!

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

The third-oldest baseball stadium in the United States is in a league of its own.

The 40-foot-tall votive candle is the largest of its kind.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

A nostalgic restaurant evokes life in Taiwan from the 1940s to the 1970s.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

This former military installation was turned into a discipline center by the Taiwanese Navy.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

Memorial to the father of the Republic of China.

This densely-packed cluster of buildings was saved from the wrecking ball and turned into an art community.