Scores of vintage street lamps shine along L.A.’s Miracle Mile.

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

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

World-famous, Pink's still manages to keep its prized cult fetish status.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

America's most famous piece of self-built architecture.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The legendary building that needed ghostly approval before being built.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This subterranean necropolis holds three floors of antler-dug grave caves.

This unique building in the main square stands out among the city's typically Baroque architecture.

The king of U.S. high points towers over every other peak on the continent.

The first declared National Monument in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

A layered tribute to the work of mosaicist Isaiah Zagar.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

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

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.