This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

A serene temple with stunning stained glass hides in downtown Dallas.

The world's second-longest burning light bulb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

The unique location where the former president was rapidly sworn in.

A few times a day, you can see an animatronic cowboy shoot-out.

Yup, that's where the name came from.

Where animatronic singing fish go to retire.

The only diamond mine in the world where you can keep what you find.

A remarkable feat of Victorian engineering across the Firth of Forth.

Tour the sci-fi-esque reality of governmental disease management.

"X" marks the spot of an echo chamber in the middle of a plaza.

A unique museum dedicated to the Gullah-Geechee people, housed within an old oyster cannery.

The most photographed house in Maine looks good enough to eat.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

One of the world's earliest skyscrapers.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One of few surviving standpipe water towers in the U.S.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.