Whimsical artist house in the New Jersey woods.

Florida castle built with aluminum printing plates.

A house built from trash known as the poor man's Hearst Castle.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

The "lovely red Vega" of the legendary record-settling pilot.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A super-sized promotional trick that is now a D.C. landmark.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The smallest post office in the United States is no bigger than a broom closet.

A mysterious castle built as a monument to lost love.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

A modernist landscape of water and sci-fi concrete.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

Three hundred years of preserved Spanish colonial history in San Antonio.

The biggest drug trafficking passage between Mexico and the U.S.

The unbelievably opulent home built for an infamous newspaperman.