High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Willy Wonka would love this weird half-a-home.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Community bookshelf of 25-foot-tall book spines.

The largest collection of historical roller skates in the world.

An idle pastime becomes a record holder in Boys Town, Nebraska.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

The world's largest moose statue is located (where else?) in Canada.

The only road through the heart of Glacier National Park.

Live long and prosper in Vulcan, Alberta.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The only diamond mine in the world where you can keep what you find.

In which a local geological marvel becomes a quaint roadside attraction.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

An architect's childhood fantasy treehouse made real.

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