This magnificent mausoleum is as much a work of art as it is a historic resting place.

The longest and widest floating bridge in the world.

A monument to the Mohawk people stands along an old Native American trade route.

A massive sea stack famous for its appearance in The Goonies.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

A snapshot of the city's fascinating voodoo culture.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

One of only two commuter aerial tramways in the United States.

Read a book next to a Midtown waterfall.

These disused steel furnaces are now haunting ruins that may one day be a national park.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

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

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

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

The hill that gave the Massachusett tribe, and later the state, its name.

The 28-foot granite map plots the locations of 40 theaters in New York City.