The world's first floating farm is staffed by one human, three robots, and 35 cows.

A true Valhalla for cactus and succulent lovers.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

This TV tower once secretly housed a GDR intelligence team.

An abandoned swimming pool decays on the outskirts of Berlin.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

This artificial cave looks like something out of a fairytale.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Two stunning 17th-century libraries and a cabinet of curiosities.

The first recognized Neanderthal remains were found in this now-lost cave in 1856.

Six turbines towering over a wide road for passersby.

A pilgrimage site where people ask Saint Dymphna to watch over those who are not of sound mind.

This futuristic German television spire is actually the world's largest digital clock.

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

No need to strap in for a "ride" on this walkable roller coaster.

An industrial relic is now one of Europe's most staggering art spaces.

The world's biggest pet store.