Walk the whole Mississippi River!

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

For posterity, a singular achievement: 3,780 hours of dancing.

Built in 1931, this small passageway is believed to be the first modern skyway.

The oldest remaining frame residence in Minneapolis.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

An unusual assortment of art, furniture, and other curiosities.

An architecturally-focused antique shop.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The first spinning jail built in the United States is the only one that still turns.

A statue honoring 44 continuous years of greeting passing ships.

An eerie smiling woman looms above the granite tombstones.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

France's third-largest necropolis offers a peaceful respite from a busy port city.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Balconies that have a most unusual accent.