Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

A once-luxurious, now abandoned hotel in the Italian Alps.

An abandoned 1920s school with a mysterious history.

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

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Within this lovely Richmond cemetery lie the remains of famous Virginians and some of Edgar Allan Poe's most beloved family and friends.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.