A vast array of tropical plants collected by a vacationing couple.

A Circus legend leaves an unexpected endowment.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A bizarre house filled with an astounding array of collections.

World's second largest particle accelerator, where nature reveals its secrets.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Mysterious meeting place for UFO hunters near Area 51.

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

An eatery for UFO seekers on the Extraterrestrial Highway.

A spiritual vortex among the red rocks in Sedona.