A toxic ghost town sitting atop a massive coal fire.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

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

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

A statue honoring 44 continuous years of greeting passing ships.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Walk in the footsteps of the famed astronaut at Purdue University.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Tombstones carved to look like tree trunks are used for multiple generations of family members.

An unknown number of cholera victims are buried in two nondescript graves.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

One Confederate statue that accurately reflects the ugliness of its subject.

No one knows how many bodies are in this vault in a Chicago public park.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

All of Chicago's wood-paved streets are long gone but two alleys remain.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This magnificent Cincinnati graveyard is also a popular public park.

Where beautiful signs live on forever.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A gothic church spire sits atop this skyscraper, the tallest church in the world.