A perfectly circular lake is formed by the crater of an ancient underwater volcano.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

Paths are maintained, but trees have taken over plots.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Largest display of Wesleyana anywhere in the world.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

This vast kitty-themed collection illustrates the history of human-cat interaction.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Museum of Fijian history, including its former tradition of cannibalism.

Enormous lake at the bottom of a unique cave system.

Moonbows over Kentucky.

An abandoned fish-shaped drive-in gets a second life as a restaurant.

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

Believed to be the oldest active college baseball field in America.

Abstract marble carving for an 8.5-pound rock.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A strange history museum, with items accumulated by a pair of globe trotting spies.

The country music legend's grave is surrounded by Astroturf because fans kept plucking out the grass.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

The humble beginnings of one of America’s greatest songsmiths.