The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

The watery grave of an impractical idea.

Lonely minaret stump of a destroyed city.

This dark, damp, perilous tunnel is the only passage from north to south Tajikistan.

A building facade covered with the statues of 11 giants of Tajik literature.

The world's second-tallest flagpole stands proud despite dropping rank.

The first version of this stalwart construction appeared around 3,000 years ago.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

This no man's land slicing through the island is strewn with abandoned relics of another time.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

A towering, steel behemoth that has graced the skyline of Lakeland, Florida since the early 1980s.

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The site of the one and only battle of Lord Dunmore's War.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.