A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

One man's little-known private clock museum hides inside a historic farmhouse, set amidst the Austrian countryside.

A model memorial to the original Odin Tower, the second highest tower in Europe before it was sabotaged by Danish Nazis.

An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

Nordic giants resurrected from the sea and restored to their former greatness.

The world's tallest bridge is also possibly the most elegant.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

These picturesque ruins crumble beautifully into the ocean.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This 19th century train workshop is a treasure trove of railroad history.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A former barn converted into a massive train diorama.

The coldest city in the world.

This underground power plant looks more like a super-villian's lair than a public work.

Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

This huge ship ran aground and has simply been left to sit there ever since.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

A museum of anything and everything Stooge.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

32,000 tiny soldiers are posed in 23 historical settings.