A spiritual vortex among the red rocks in Sedona.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

This legendary urban waterfall creates a dazzling display of rainbows.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A celebration of capitalism in Midtown.

A dilapidated dock tells the story of Titanic's missed arrival.

New York City's smallest piece of private property.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.