Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

A mansion where wonders of Christmas are celebrated all year long.

When the river dries up, these stones start talking.

The 14th-century ruins are said to contain healing powers.

This spooky statue sits outside a famous Prague theater.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Europe's second largest ossuary wasn't discovered until 2001.

A mocking tribute to the past and modern leadership of Prague.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Walk through Czech history in Prague's largest graveyard.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

A church of bones, decorated with 40,000 human skeletons.