This frequently-photographed waterfall takes only a short hike to visit.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

The seamy, underground secrets of Portland's criminal past.

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

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.

Dramatic river bend surrounds a natural red-rocked pedestal.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Sniff the Titan Arum's rotting flesh.

The "Seinfeld" diner.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

Hidden in the forest atop a long, winding driveway is this stately home.