This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

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

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

Race through the maze, get your name on the sign.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

At 238 feet above the bottom of a gorge this span is known as the biggest thrill on the road to McCarthy.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

The ghostly remains of what was once the world's richest copper mine.

The king of U.S. high points towers over every other peak on the continent.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

This ancient Hawaiian henge may have been an early star chart.

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

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

This small cafe aims to empower acid attack victims and stop violence against women in India.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.