A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Avant garde house of Pierre Cardin on the Cote d’Azur.

An aluminum skeleton brings Chinese mythology to the French shore.

The fantastic architectural models of a French traveler.

A Gothic cathedral created from volcanic rocks.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

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

An icy lake tucked among jaw-dropping alpine panoramas.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This massive library holds what was once the largest book collection in the world.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

"A hideous albatross in the Hudson River Valley."

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Huge otherworldly domed rocks on the shore of a deadly lake.

This interpretive path lets you get up close and personal with dinosaur bones.

The farthest you can be in the contiguous U.S. from a McDonald's location.