More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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.

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

The world’s first penitentiary, meant to be humane, drove men insane.

Largest Roman Catholic church in North America.

A historic neighborhood church is reborn as a psychedelic arts collective.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

One of the largest cemeteries in the world.

9th century Abbasid mosque, damaged in modern warfare.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A toxic ghost town sitting atop a massive coal fire.

A failed piece of Orientalism has become the proud symbol of a community.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.