This abandoned gun tower was built to defend the River Thames from a French naval attack.

Once a bridge over the River Begej, now high and dry.

Built in the early 70s, the ruins of dinosaurs are all that remains of a man’s dream to build a free dinosaur themed mini golf course

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

Are they the remains of a fallen hotel, or the final stronghold for escaped Nazis?

The abandoned club hides in the hills of Ibiza.

A ghostly mansion in the middle of downtown Tunis.

Fortifications built for a Soviet invasion that never came now sit abandoned in a losing battle against nature.

This abandoned airplane hanger is said to have once been a top secret launch facility.

A 1,000-foot-long railroad tunnel under Shavers Fork connected the towns during West Virginia's logging boom until its closure in 1985.

A monumental toilet that is also host to rare plants.

These oddly shaped pink granite formations got their name after being mistaken for massive piles of hay.

The father of the sewing machine died broke, but this small, free museum is dedicated to the unsung inventor.

A crumbling ghost town on the South Dakota prairie.

A giant scrap metal troll rests his hands on top of a dilapidated building covered in graffiti.

Mysterious standing stone formations looks like a petrified forest.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

Belgrade’s oldest restaurant has a rather unusual name.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.