Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

The abandoned coal loading dock is a canvas for unsanctioned art.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

This American Sycamore was grown from seeds that accompanied the Apollo 14 mission in 1971.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

A 12,000-year-old bog boasting rare plants and fauna.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

America's oldest archaeological site or a muddled case of wishful thinking.

Beautiful natural falls where Satan once ruined a pot of beans.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

The monument dedicated to Phineas Gage in the town where his accident happened.

Pick up a kebab and a credenza at this unique combination furniture store and café.

Play everything you see at a museum dedicated to a town's historic organ industry.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Every Saturday morning, this microbakery fills up with freshly baked pastries and sourdough breads.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Beautiful hillside Vermont cemetery with amazing funerary art.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.