A monument dedicated to three unlikely visitors to North America.

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

The world's last remaining store of its kind.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

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

A vertically floating hemlock controls the waves and weather at Crater Lake.

The ghostly remains of an accidental sea.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

This house designed by Frank Lloyd Wright and Louis Sullivan was destroyed twice and reconstructed to near original condition.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

An underwater statue of Christ blesses the coral reefs off Key Largo.

A monument celebrating the idea of reaching inaccessible places.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Mysterious meeting place for UFO hunters near Area 51.

The only thing still moving in this town is the eponymous hot spring.

This sign designates the road that leads to the infamous Area 51.

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of a remote desert town is a surprisingly opulent hotel.

This school building was an extravagant show of wealth for a boomtown that mostly faded in the following decade.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

One of the most unusual geological features, recognizable from a dozen hit movies.