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

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

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

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

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

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This outdoor gallery of sculptures along the East River was once a landfill.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

An industrial waste tourist attraction.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

A forgotten "city of water" underneath the famous Trevi district.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

Experience the glam side of air travel without leaving the ground at this speakeasy.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

The first piece of public art dedicated to LGBT rights.