The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This strange, small castle on the bayou has withstood the test of time and weather.

This old school, eccentric, and independent video rental store refuses to die.

Brain collection and database that narrows the gap between man and animal.

Salt is slowly eating away this abandoned saltworks town in the desert.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

This 19th-century island fort built to protect against an invasion by sea.

Quirky Welsh observatory unites art and science.

Could it have picked a better place to land?

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

These ruins are all that's left of the former Alabama State Capitol.

A historic shipbuilding town is home to a sail-through fish-and-chips shop.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

A historic fortification critical to Anglo-Scottish conflicts now serves as a bed and breakfast.

An unusually shaped lighthouse with origins rooted in heartbreak.

An ornate "graveyard" for some of the country's forlorn building relics.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

This castle resides in a valley known for immense bloodshed during the Middle Ages.

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

An abandoned village where the ruined foundations cling to a cliff.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

A formerly abandoned mental institute, now back in business.

The unusual burial monument of Arizona's first governor.