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

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

This is not your typical jungle gym.

An original apothecary from 1792.

A monument celebrating the idea of reaching inaccessible places.

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

Meet manatees face-to-face at this zoo for native species.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

Where monkeys run wild and the humans are caged.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A layered tribute to the work of mosaicist Isaiah Zagar.

Largest Roman Catholic church in North America.

The United States Capitol's former columns still stand.

Art deco landmark on the outskirts of Washington, D.C.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

Hear the quietest sound from across the dome.

An architect's childhood fantasy treehouse made real.

A snapshot of the city's fascinating voodoo culture.

A little sculpture with a large wardrobe.

The second oldest continuously operating bar in Louisiana.