Beijing's version of Disneyland, completely abandoned, mostly destroyed.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

An ancient Chinese temple where even the emperor dressed like a farmer in the name of the harvest.

This ancient Chinese observatory still contains early astronomy technology.

This sensational Chinese temple walks visitors through the 76 weird departments of the afterlife.

Ming Dynasty necropolis raided during the Cultural Revolution.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Hans Christian Andersen for the postmodern world.

This sublime architectural marvel is a rare example of an expressionist church.

Renaissance villa and gardens complete with a tormented colossus.

Stalactites and stalagmites in a beautifully lit cave.

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

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

A 16th-century horror show built in a lovely Italian garden.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A gigantic collection of teeny, tiny books.

Ruins of a German Castle on top of a towering stone pillar.

The fairy tale castle of the "fairy-tale king."

The great Danube river starts here.

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A free, public museum dedicated to the fascinating science of sight.