An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

These subterranean models show Mexico City's central square during three different eras.

The site of a classic series of Laurel and Hardy pratfalls.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A faux European lane smack dab in downtown L.A.

Tiki luxury on Nob Hill.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The real faces of Venice beach captured on Romanesque columns.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

One of the world's longest murals depicts the history of diversity in Los Angeles.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A mud brick kasbah with a history of lavishness and traitorship.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

A submerged village appears when dam levels drop.

Nikola Tesla's former home contains an homage hidden from plain sight.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.