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

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.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The city is full of whimsical portals to another world.

The medley of artwork tells the history of this Scottish town.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

A six-ton wedding present for the King of the Scots.

A close look reveals that the Scottish monument is just slightly off-kilter.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.