Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The trials and tribulations of marking Poe’s grave.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A sculpture of a salmon swimming through a brick building.

The magic's in the hole!

An indoor botanical garden for tropical plants looks like a giant cylinder lying on its side.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A Memphis park where you can walk the whole Mississippi River in one go.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

These markers are used to determine the ground stability of the Strip.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The Decoy Capital of the World.

An ode to iconic Nashville locations.

This replica of the Greek structure is in the heart of Nashville.