At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Elvis's own personal tropical hideaway.

A Memphis park where you can walk the whole Mississippi River in one go.

The secret city built by the Manhattan Project.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Mile-long cave system near Great Smoky Mountains.

This replica of the Greek structure is in the heart of Nashville.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

This wooden recreation of a 9th century lake village looks as though it was built yesterday (which it relatively was).

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

This bridge was constructed from the rubble of the infamous Bastille.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The celebrated eyesore created by starry-eyed sweethearts.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.