Legend says train robbers stashed their gold within the depths of this unusual cave.

Visitors to this public park will also find the ruins of an old western fort.

Make a wish at what might be America's only Catholic shrine to a sinner.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

This dilapidated ship carcass covered in trees is a striking sight.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

The only house built with a turret, crenellations, and a moat in Palmer, Alaska.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

A collection of colorful dinosaurs hidden in an actual rainforest.

Oldest unrestored plantation house in America that is open to the public.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

Thousands of turbines whir at at the origin of North American wind power.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

The easternmost town in Alaska can only be accessed from Canada.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

A fitting attraction for the corn capital of the world.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.