A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Yo, Adrian!

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This elaborate towering structure was once famed for its revolutionary height.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

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

Welcome to the home of the world's largest typewriter company.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

Hidden along this old street in Antwerp is a surreal monument of a bronze arm sprouting four hands.

This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

This restaurant gives a new meaning to farm-to-table cuisine.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

Believed to be the country's tallest waterfall, the Njupeskär is actually much smaller.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Drink wine handed out through a window as part of an age-old tradition.

The oldest operating pharmacy in the world features 800-year-old recipes.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.