Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

This nine-story building is the oldest standing skyscraper in D.C.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Obscure Freemasons still live in D.C.’s largest private residence.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A rusted metal giant pays tribute to Birmingham’s industrial past.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

This giant green head remembers one of America's jazz giants.

This otherworldly church spire reaches up toward the heavens.

A remarkably opulent mansion with a tragic history.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An amazing collection of sculptures and art.

A massive sea stack famous for its appearance in The Goonies.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Where Nor'easters go to die.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

An annual celebration of the infamous, unsolved skyjacking.