This cemetery is home to numerous granite headstones that are works of art unto themselves.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

A human attendant once directed car traffic from this structure before automated stoplights.

Here, visitors can swing with the waves of the Pacific Ocean.

A riverfront park that both remediated and preserved its industrial past.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

This museum shines a light on the true Pilgrim experience in North America.

This park is the prime habitat for Nepal’s Bengal tigers.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

This railroad tunnel was once the longest in Massachusetts.

A mysterious collection of stones stand outside a small New England town.

The site of the first "historically true" UFO encounter in the U.S.

Resonating tubes make music from highway overpass.

Nine nice parcels of land along a flight path offer a quiet respite... until a plane soars overhead.

Even Henry David Thoreau found this glacial pothole irresistible.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

The romance of early commercial flight still fills this Art Deco destination.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

This grand gothic brewery has been pumping out suds for over a hundred years.

The United States Capitol's former columns still stand.