This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

Few other hotels can rival the grandeur of the Castle in the Rockies.

After Havre burned down, the best place to build was under the ashes.

"The Most Boring Road in the State."

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

Strange physical sensations and optical contradictions keep visitors coming back for more.

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

Watch the ships come in on Michigan's 210 ft. high observation deck in Sault Ste. Marie.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The Guardian of Tallinn.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

The world's biggest floating museum in Gothenburg, Sweden.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

An underground city of salt.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.