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

Alexander Hamilton’s creation caused quite a bit of controversy.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

Narrow passes cut out of mountains surround the medieval capital of Japan.

It is said that coins washed in the waters here will miraculously multiply.

The tallest city hall in the world offers an excellent bento box.

This strange mural located in the Ueno station is filled with traditional Japanese symbolism.

A Buddhist temple on an artificial island that houses a monument to the fugu fish.

Only the face remains of this giant Buddha statue, which is said to be a source of luck for students.

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This is the oldest Roman-made bridge in the city still existing in its original state.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This ancient market is often referred to as the oldest shopping mall in the world.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

The walls and streets of the ancient city are peppered with penises.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.