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

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

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

Century-old shop, specializing in Occult products.

A daily replay of the experiment that proved the rotation of the Earth.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The first American department store, and home to the largest operating musical instrument in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Dr Barnes' $25 billion private collection of art and arboretum.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.