The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

World's largest Christmas store.

What was once the largest NFL stadium.

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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This stunning concert hall has become a symbol of Iceland's national recovery.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

An encyclopedic collection of mammal penises.

Walk in the footsteps of the gods and straddle two tectonic plates.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

The unusual medical inventions of the man who gave the world Corn Flakes.