This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

A place to eat for on-the-run agents and espionage enthusiasts.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

Robots, lasers, and whoopee cushions, oh my!

A wonderfully curated used bookstore in an airport.

Legend says Dungeons and Dragons players can get their dice blessed at the creator of the game's memorial.

The birthplace of a titan of American cinema.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

A bizarre house filled with an astounding array of collections.

A rural hall of justice holds the world's only comic book and superhero museum.

A large collection of motorbikes with some impressive gems.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

The empty tomb that houses the memories of Roy Bertelli's revenge.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

The sign to a demolished amusement park now stands in front of a local library.

A mini Wrigley Field for mini baseball players.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

This historic store hides a museum exhibiting a shoe-sizing x-ray machine and a pair of kicks that once belonged to the world's tallest man.

This simple gravestone remembers a pig who single-hoofedly raised $19,000,000 for the Navy.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.