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

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This unusually circular centenarian barn became a Route 66 icon.

These massive mitts are made of 30 tons of devotional bronze.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Nature's biggest mammal swims in landlocked Oklahoma.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

The palatial McDonald's that inspired Wesley Willis.

Eighty million natural history specimens call this gargantuan museum home.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A naturally mummified 2,000-year-old man.

Hear the quietest sound from across the dome.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The commemorative stone column conceals a secret laboratory.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

The Great Fire of London and the regulation of one-way streets both started in this alley.