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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A seemingly endless landscape of pure salt stretches far across Bolivia.

This black shoreline is made up of exploded lava particles.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

A luxuriant botanical garden below sea level.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Bizarre Cavern.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

A Hawaiian stairway to heaven—that you can't climb.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

Symbolic attempt to overcome the issues of life.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This cave holds a surprisingly colorful variety of geological oddities.

Jule Körner's house full of bizarre architectural details.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A replica that won't float away.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.