Golden Gate Park's historic collection of plants.

At 207 feet, one of the world's longest continuous escalators.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

San Francisco's newly reopened hands-on science museum.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

This working class sculpture pounds his hammer all the livelong day.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

This century-old independent movie theater with an iconic Art Deco neon sign survived a devastating fire in 2016.

The site of an early Arthurian battle and the dwelling-place of prehistoric people and (possibly) an ancient race of giants.

Britain’s highest medieval monastery is a remote ruin nestled at the head of a valley 1,240 feet above the sea.

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

A much-loved local landmark pays tribute to the shipbuilding past of this area.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

One of London's oldest houses contains a mixture of both old and modern features.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.