This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Elevated freight railway turned wildly successful urban park.

The only remaining vespasienne in Paris is a (stinky) relic of Resistance.

Claude Monet was baptized in this lavishly ornate Paris church.

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.

John Wayne, Ronald Reagan, and other Hollywood actors have resided in this picturesque Route 66 hotel.

This historic trading post has been serving the community since 1913.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

An urban laboratory.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.

A fantastic resource for information on both Route 66 and the local area.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

The folks at the Devil's Rope Museum want you to get hooked on barbed wire history.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

Get your gift of the gab on Route 66.

An Oklahoma museum that celebrates the history of the "Mother Road."

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.