This ancient settlement contains some of the largest earthen mounds in North America.

A small World War II museum housed in what was once the largest navigation school in the United States.

Hike, ski, or snowshoe to a backcountry yurt that serves up gourmet, four-course dinners.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

This notorious dive has been serving up both kinds of spirits since 1879.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

There are eight natural springs around town, each with a slightly different taste.

The remains of an early 1900s dude ranch that operated until the 1970s.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

An historic, one-lane, pedestrian suspension bridge on Kauai.

This coastal port saw one of the most significant battles of the Civil War.

A small museum celebrating the work of a Mississippi artist who had a unique connection with the natural world.

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

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Two gushing waterfalls of hot spring water within a block of each other.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

A beautiful botanical garden in the heart of the Natural State.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

The first declared National Monument in the United States.

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