The highest peak in the state of Vermont has some interesting features.

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

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.

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

Even Henry David Thoreau found this glacial pothole irresistible.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

A long abandoned hospital building on the outskirts of NYC.

A peaceful international sculpture garden in upstate New York.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

A former connection to City Island, it has been abandoned since the 1930s.

An enormous cat made of recycled wood scraps.

The loneliest island in New York.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

A whimsical monument deep in this park commemorates the groups that helped build it.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.