These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

A mysteriously dark cemetery monument fuels stories and legends galore.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

European castle ruins in an American state park are actually the product of death and grief.

A mysterious light of unknown origin on the backroads of Missouri.

This former mining town was named the most toxic town in America.

Tucked away on an empty wooded lot in suburban Oklahoma City lie the remnants of an abandoned circus camp.

When you can afford only half a road, you build only half a road.

Nature's biggest mammal swims in landlocked Oklahoma.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

A natural rock formation believed to be a cure-all.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.