Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Sniff the Titan Arum's rotting flesh.

The "Seinfeld" diner.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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.

Elevated freight railway turned wildly successful urban park.

This public elevator links the lower city to the upper city of Salvador.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

Known as the "Finger of God," a dramatic rock formation resembles a divine hand extending towards the heavens.

Museum precariously perched on a massive yellow pillar.

Solitary monument dedicated to the beauty of nature.

A 125-meter long "tribute to the Brazilian people."

Beautiful public park off the beaten path and away from tourists.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Crumbling necropolis set high above Fez.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.