In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

Walk 2,300 feet above the ground on the "Troll's Tongue."

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

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

The steepest classic funicular in the world glides along a dizzying incline.

The oldest funicular in Lithuania has been climbing this steep hill since 1931.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

Dr Barnes' $25 billion private collection of art and arboretum.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Where America's first doomsday cult awaited the end of the world.

A rare view of a preserved Victorian science museum.

World's first "penitentiary," meant to be humane, drove men insane.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A layered tribute to the work of mosaicist Isaiah Zagar.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

An extensive collection of fine art devoted to man's best friend.

A kitschy, creepy St. Louis mainstay.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

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