Every president in history is immortalized in bronze in downtown Rapid City.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Just a man taking his prehistoric pet for a stroll.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

When it comes to handsignals (and colonialism) rock always beats scissors.

A line of blue paint marks the route of the inaugural parade.

Washington's iconic carousel has a nice piece of Civil Rights history.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

The "lovely red Vega" of the legendary record-settling pilot.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A much-maligned monument to teetotalism.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Home to items never before seen by the public.

Meet manatees face-to-face at this zoo for native species.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.