A remote horde of architectural treasures fit for Indiana Jones.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

Ship skeletons haunt Baltimore's waterways.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

This abandoned sea fort has become an accidental bird sanctuary.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

An abandoned asylum incorporated into a college campus.

This abandoned mine and power plant was built atop land once given to Revolutionary War soldiers.

A tomb in the shape of a traditional Mexican hat and shawl for the father of modern rancheras.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

In the middle of an abandoned stretch of old Route 50 lies a tombstone that weighs three tons.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned train tunnel has been the subject of countless ghost stories for years.

A Turkish ghost town abandoned in a population exchange with Greece.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.