The second oldest continuously operating bar in Louisiana.

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

A cemetery housing wild west legends in South Dakota.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A walk through the historic city center, under the streets of Seattle.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Go inside to really appreciate this 500-year-old technological masterpiece.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Steadily reminding Czechia of its past.

Macabre astrological automaton clock dating to the late 1400s.

Once the home of a hermetic monk, this cave now houses a small church.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Bridge that died in war and was resurected.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Oriental bazaar in the heart of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Less a museum than a bizarre fantasy world created by artists and engineers.