A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The largest self-built castle in the U.S., six decades in the making.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The magic's in the hole!

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home to items never before seen by the public.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A gaudy painted elephant stands in memory of south Florida's fallen carnies.

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.