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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The impeccably spiced roast pork buns at this bakery are worth the wait.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

An homage to everyone's favorite prehistoric cartoon family.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

No one knows how many bodies are in this vault in a Chicago public park.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."