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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

A home covered with elaborate mosaic and other pieces of art.

It's easy to forget what century it is as you wander this rustic homestead.

A downtown park built on top of unclaimed graves.

An innovative local park built from an abandoned sewage treatment plant.

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

Inside this magical collection, you can buy recipes cooked up by church ladies, motorcycle clubs, and clowns.

A miraculous natural phenomenon known as "the spring that breathes."

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

These curious caverns have been home to mushrooms, gangsters, and disco.

Largest gathering of hobos in the country has been meeting annually since 1900.

An old town theater converted into a celebration of the hobo legacy.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

When waves crash onto this section of beach, the rocks sing a song.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.