When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

An underground blaze turned this village into a ghost town.

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

A toxic ghost town sitting atop a massive coal fire.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Austin’s local mountain isn’t really a mountain at all.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Free public park and gardens filled with peacocks and peahens.

This once-private estate is now a dreamy, meditative garden that's open to the public.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

The mansion and cenotaph of the New Hampshire Faust.

Ride the subways of yesteryear.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Dine on dumplings at the oldest dim sum restaurant in New York.

This 25-foot tall clock tower commemorates the start of one of America's foremost shopping districts and the end of the historic Palm Beach Pier.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.