This medieval cathedral houses stained-glass windows featuring saints and pretzels.

This natural wonder is disappearing at an alarming rate.

The U.S. Fish Commission’s effort to mass produce carp.

The Chilean mountain is freckled with (relatively) small European telescopes.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

A massive display of meteorites all found in the Atacama Desert.

The largest geyser field in the southern hemisphere is a spectacular sight.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

A mysterious taxidermy man-beast of the seven seas.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Hamburgers are intensely proud of their tunnel beneath the river.

The prototype for all Nazi concentration camps.

A small but immensely extravagant palace built by the "Night King."

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

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.