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

A walk through the historic city center, under the streets of Seattle.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A 140-year-old castle with underground caves hidden in San Francisco.

A giant Troll lurks under one of Seattle's oldest bridges.

A bizarre house filled with an astounding array of collections.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Dramatic river bend surrounds a natural red-rocked pedestal.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

World's largest collection of serial killer artwork and other macabre exhibits.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This amazingly preserved Gold Rush town is a historian's dream.

Mining town from the late 1890s, once home to Calamity Jane.

This sandstone building is a relic of the Overland Trail.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.