The highest bridge in America was built for an almost unnervingly small amount of money.

The world-record holder for the longest bridge stretching continuously over water.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

This colorful overpass is one of Bhutan's longest suspension bridges.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.

This peculiar Italian elevator runs both horizontally and vertically.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

What was once a unique system of urban elevators is turning into a mechanical ruin.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

Historic funicular railway, believed to be the shortest railroad in the world.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

One of only two commuter aerial tramways in the United States.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This former coal gasification plant found a curious second life as a popular public park.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A science fiction-inspired apartment building designed by a famous Spanish architect.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A slice of central Asia in the middle of Berlin.

A curious cave church carved into the face of a cliff.