Places Stymphalian Wants to Go

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A glimpse into the festive and private lives of medieval Europe.

The topiary maze at the Habsburg hunting lodge.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Macabre museum devoted to historical Viennese murders.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

One of the best collections of wax anatomical models in the world.