Places KTPie Wants to Go

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

A French library that makes sure its love of books is writ large... giant in fact.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A chapel on a volcanic core, marking the end of a successful journey.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

An ancient monastery, a locked room, and a mysterious book heist.

Sleep in a climate-controlled plastic bubble for the night.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

An icy lake tucked among jaw-dropping alpine panoramas.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

Historic medieval fortified city in southwest France.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.