A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

100 massive sculptures in the Hudson River Valley.

A spiritual vortex among the red rocks in Sedona.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Quite simply the largest tree in the world (by volume).

This massive redwood tree has a hole in the base big enough to drive through.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Mysterious 500-year-old tapestries depict a unicorn hunt.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A museum dedicated to the history and exploration of both popular music and science fiction.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

See massive fossils that are over 200 million years old in northeastern Arizona.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Read a book next to a Midtown waterfall.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Hear the quietest sound from across the dome.

Elevated freight railway turned wildly successful urban park.

A museum dedicated to the alleged Roswell Incident.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A giant Troll lurks under one of Seattle's oldest bridges.