One sculptor's lifelong war game is the largest and longest running miniature campaign in history.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

This was one of the first (and last) university-built and operated nuclear reactors.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Berlin's old airport.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

A small town Romanian cemetery filled with darkly humorous gravestones.

A Roman monument to their own civil engineering prowess.

The Natural History Museum that time forgot.

Small transmitter operated by a priest in the Netherlands.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

The place where houses are born.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

450 dead and frozen fish, proudly on display in Japan.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

A strange aquarium with stuffed fish, and almost no water for them to swim in.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.