Largest Roman Catholic church in North America.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

An exotic wildlife habitat right off The Strip.

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

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

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The site of a tragic massacre that spawned a multimedia franchise.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

An alternate history park where the Union Army loses the war... to dinosaurs.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The walls of the iconic dome are hollow and have a secret stairway.

An experimental, automotive replica of Stonehenge.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Exact replica of the ancient monument, but much, much lighter.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Fittingly, America's museum of architecture is itself a magnificently designed old building.