This imposing 20th-century castle was abandoned before it was ever completed.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

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

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

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

A toxic ghost town sitting atop a massive coal fire.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

Prehistoric animals decorate this popular outdoor park.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The grave of Mary Nasson is shrouded by witchy legends.

Staves, storm-calling, and of course, necropants.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

Virgil's many-mouthed gateway to the underworld.