The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The world's largest public collection of PEZ memorabilia.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

A house carved into a rock in the 1940s.

Outsider art meets paleontology at this roadside reptile repository.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Less a museum than a bizarre fantasy world created by artists and engineers.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

Elevated freight railway turned wildly successful urban park.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Lie in a hammock where George Washington stood.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Mysterious rocks that ring musically when struck.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.