The remains of an entire Roman city can be explored in this interactive museum.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

The abandoned military base looks like a post-apocalyptic wasteland.

Hungarian self-built castle.

Museum dedicated to the terror regimes of Hungary.

Hungarian mummies in beautiful painted coffins.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This stunning concert hall has become a symbol of Iceland's national recovery.

"The Dance of Fools" is Japan's largest dance festival.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Once the home of a hermetic monk, this cave now houses a small church.