Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

America's most famous piece of self-built architecture.

A walk through the historic city center, under the streets of Seattle.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Try not to get slimed in Tribeca.

The legendary building that needed ghostly approval before being built.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A snapshot of the city's fascinating voodoo culture.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

So many migrating birds roost on the bridge, it has a special summer speed limit.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

Every week, a festive public jam session breaks out in downtown Asheville.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.