The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Where unreadable addresses are read, 24 hours a day, seven days a week.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

One man's quest for the ultimate road trip vehicle.

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

Open day and night, a church with three pews and Bibles.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

The place where the great marine explorer first learned to work underwater is not where you'd expect.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

An impressive collection of farm equipment and other artifacts from life on the prairie.

A winged-helmed, sword-brandishing tribute to German Americans.

New York City's first Modernist house.

A water pumping station disguised as a residential home to assuage concerned neighbors now tricks most passersby.

This small-town museum is dedicated to the original western movie mega-star.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

A restored schoolhouse was once a vital part of the Black mill workers community in Arkansas.

One of New York's most iconic authors is strangely honored by this Oklahoma park.

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.