"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Stroll through a wonderland of stupendous moss-covered trees.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

These caves are home to a small church and were used to age cheese.

Reforestation in action is the main attraction in this abandoned quarry.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

New York's southernmost subway station is whimsically wavy.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The first commercial nuclear power plant constructed on Long Island.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

Even Henry David Thoreau found this glacial pothole irresistible.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This fantastical waterfall is hidden in a cave located in a cracked cliff.