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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The curiosities and wonders of pharmacy in a delightful historic building.

The world's longest known cave system.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Home to items never before seen by the public.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.