The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A rapidly disappearing authentic bit of the old south.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

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

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This bridge is haunted by the ghost of a distraught mother.

An incarceration museum on the spot of possibly the oldest prison in England.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Dictionary Johnson’s favorite feline.

One part local history, 99 parts gruesome haunted house.

Hidden beneath the streets of London is a secret subway that only carried mail.

A gargantuan crystal kingdom.

A clear blue swimming hole with hidden caves, still unexplored.

This woodland architectural installation acts as a camera obscura for the heavens.

The longest navigable underground river in the United States is home to countless blind and albino animals.

This quirky curiosity shop takes its cues from the world's bazaars.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

The spectacular history of spectacles on display.

World's largest Christmas store.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Amsterdam's Red Light District leaves little to the imagination.