The first declared National Monument in the United States.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

A house covered entirely with shells.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

A hotly contested micro-nation off the coast of Montserrat.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

A fitting attraction for the corn capital of the world.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.