This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A curious building honoring past and current members of a historic musical comedy troupe.

The first of Lancaster's "rural cemeteries."

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

A miniature golf course crafted inside the world's largest simulated cave.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

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

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

An outlandish shoe shaped house built by an eccentric millionaire.