The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

Just a man taking his prehistoric pet for a stroll.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

The fairy tale castle of the "fairy-tale king."

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

A treasure trove of rare and exquisitely detailed antiques

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Priceless space junk on display in front of a local Dairy Queen.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

A gigantic sculpture garden is packed with innovative oddities.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

One of the world's steepest streets seems to have houses sliding down it.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

The premier place to experience the Victorian imagining of the steam-powered future.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.