A homage to the King at the hotel where he revived his career.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

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

Unique tower has outlasted a takeover of the company.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

Huge otherworldly domed rocks on the shore of a deadly lake.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

A 250 million-year-old rock formation has earned a rather unique nickname.

This museum explores the grim reality of life in the earliest British colonies in America.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

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

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

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

There’s a hidden military meme engraved on the World War II Memorial.

An overlooked memorial honoring the local Washington residents who died in World War I.