The vast, legendary catacombs hold secrets much stranger than stacked bones.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The bomb-ravaged remains of of a colossal Neptune.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Five candy-colored villages on the Italian Riviera.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

The world's second-largest sundial, made entirely out of stone.

Sacred Indian temple that’s all monkey business.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

An ancient iron pillar in Delhi that seems to be rustproof.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

The world's longest known cave system.

At this airport "microcinema," you can catch a film before you catch a flight.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

A world of craftwork elegantly curated in a historic brick warehouse.

A stunning landscape of bunkers that once stored chemical weapons.

Home to the only outdoor municipal elevator in the United States.

Home of Howard Hughes' Spruce Goose.