Places colingross Wants to Go

A wunderkammer of exoticism immortalized by Tom Waits.

Wax models of disease and deformity are on display at this German medical museum.

Model Trains and Much More in Hamburg.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

The world's oldest known salt mine.

Artfully arranged bones of 5,800 Austrians.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

The ancient latrines of the Greeks, in all their public glory.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

The ancient abodes are a testament to human ingenuity amid harsh climates.

The most metal church of all time was built in record time because of an international, pious pissing contest.

Mausoleum and Holy Seat of Antiochus I of Commagene.

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

A Turkish monastery tucked into a cliff wall.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.