Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The hallucinogenic center of the ancient world.

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

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

A battle between nature and architecture in the Cambodian jungle.

A fantastic castle rumored to be the birthplace of King Arthur.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Thousands of well-dressed mummies below a monastery.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Pompeii's less famous neighbor is still revealing her secrets.

This 700-year-old street food market features baby octopus and soy donuts.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A Jenga-style cylindrical tower of books that appears to go on forever.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A rare view of a preserved Victorian science museum.

Once the most densely populated place in the world, this island is now a ghost town.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Eighteen miniature death-scene dioramas.

This massive library holds what was once the largest book collection in the world.