No one knows exactly how deep the world’s deepest geothermal hot spring is.

This spectacular track has run continuously since 1882.

A hotel with a rich Wild West history of miners and bootleggers.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

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

Travel through the wholesome amusements of yesteryear at this charming miniature village.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Come for the springs; stay for the mud bath.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Step inside Lucy, the world's largest "elephant."

Mysterious stone tower featured in many alternative histories of the New World.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This small-town pizzeria won the Hollywood lottery.

The real-life site of Ichabod Crane's infamous gourd attack.

A castle built for love, and abandoned due to heartbreak.