A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This freshwater spring fills with 10,000 gallons of water per minute.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The largest known Ancient Egyptian obelisk.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Three-story concrete ram with a permanent gift shop.

Everything about this over-size novelty animal is huge including its testicles.

One of the first big sculptures anywhere in Australia.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

In paradise, feral pigs have claimed an island all to themselves.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

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

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Half of a waterfall goes into the river while the other half seems to disappear.

The famed architect designed this Minnesota gas station of the future with a lookout tower.