One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This mosaic-covered bar is brimming with curated curios.

One of the world's earliest skyscrapers.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A prime example of New Orleans' unique architecture these early 20th century homes were built to look like steamboats.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The first plantation museum in the United States to focus on the lives of enslaved people.

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

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

Shop for books in the New Orleans house where William Faulkner once lived.

A treasure trove of rare and exquisitely detailed antiques