This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Video games, body language, and postal history are all on display in this Swiss museum.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Biblical beasts and endangered animal preservation come together in this Israeli zoo.

Israel's premiere solar energy research facility provides energy to nomads.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

The home of the Dead Sea Scrolls is an abstract modernist dream.

A modest reminder of treacherous waters at the Golden Gate.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A world of whimsy and wonder aboard a one of a kind historic landmark vessel.

A modern zoetrope on the New York City subway.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

Play heads or tails with thousands of different coins.

Pluto is still considered a planet in Ithaca, New York.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Commemorating the spot where the famous scientist fed his pigeons.

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.

There are owls with glowing eyes in Herald Square.

A celebration of capitalism in Midtown.

There must be a pun in this haystack somewhere...

A 120-year oil leak slowly unleashes more gallons of oil than the Exxon/Mobil disaster.