The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

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

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

Carved faces add a touch of magic to this island's impressive oak trees.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

A colorful square marks the heart of the city's LGBTQ community.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

The statues commemorate the legendary mass killing of escaped circus monkeys.

"X" marks the spot of an echo chamber in the middle of a plaza.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

A man's home is his castle.

A white oak with property rights.

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

Ruins of a Carnegie family mansion on Cumberland Island.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

The whimsical construction on the roof has given rise to many a Montgomery myth about its contents.

Medical museum featuring a number of excellent medical models.