A new kind of theme park for adults off the Las Vegas Strip.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Washington's iconic carousel has a nice piece of Civil Rights history.

The oldest continuously operating fish market in the United States.

A whopping 14,000 copper coins cover this miniature fighter jet.

This museum explores the grim reality of life in the earliest British colonies in America.

The hike to this stunning waterfall on a black sand beach is not for the faint of heart.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

The granite head appears to be deep in thought and half buried in the ground.

This natural wonder is disappearing at an alarming rate.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This expansive bridge in the Canadian wilderness was originally just built for friends.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Hear the quietest sound from across the dome.

An unusual round church in London with a Templar past.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.