Museum devoted to the artificial language of Esperanto.

A pyramid in Central Europe of unknown origin.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The personal charnel house of Anton Bruckner.

Fantastic stories on a miniature railroad.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The patron saint of spinsters grasps a container of dried blood.

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

The prototype for all Nazi concentration camps.

Video games, body language, and postal history are all on display in this Swiss museum.

Museum of science fiction, utopias, and extraordinary journeys of the mind.

World's largest permanent maze made of 18,000 conifers.

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

An Italian hillside ghost town.

An amazing collection of wax anatomical models and terratological models.

An extraordinary collection of 18th century anatomical waxworks.

This zoological museum began as the first great curiosity cabinet.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Where the lovelorn find a home for their sentimental keepsakes.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The oldest operating pharmacy in the world features 800-year-old recipes.

Pilgrimage site for star-crossed lovers.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

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