View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

Decrepit Victorian public lift is a white-knuckle ride.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

All that's left of the quintessential "cabin in the woods."

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This popular pitstop lives up to its name.

Over time, this castle grew to encompass the entire island.

Savor the famous tempura-fried pork tenderloin sandwich at this long-standing Kansas City food counter.

One of the largest early 20th-century bridges in Sudan.

The longest-covered bridge in the state of Maryland.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

The building that once housed the dictator's secret police is now a museum that documents the history of an oppressive regime and those who fought against it.

Pay homage to the quintessential P-town dive.

A fire lookout atop a glacial pinnacle is reached by climbing three vertiginous flights of stairs.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.