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

San Francisco's newly reopened hands-on science museum.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

Five candy-colored villages on the Italian Riviera.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Home to items never before seen by the public.

The oldest surviving botanic garden in the United States.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Dr Barnes' $25 billion private collection of art and arboretum.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Neo-cave art on the macro scale.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

Elevated freight railway turned wildly successful urban park.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Lady Liberty's original designer installed a little clone in this French fountain.