As the oldest natural history museum in the Americas, these halls contain everything from dinosaur bones to biological samples collected by Lewis and Clark.

This iconic lounge is home to the longest running drag show in Philadelphia, iconic jazz trios, and is the birthplace to the infamous "Citywide."

An historic lighthouse accessible via a half-mile walk through a nature preserve and freshwater tidal wetlands.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This rustic old building is said to be the most photographed barn in America.

The actual “Hotel Rwanda” that became a hiding place and refuge from the horrors of genocide in 1994.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

This historic hotel was once home to Henry David Thoreau and rumored to be haunted by ghosts of fallen soldiers from the American Revolution.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

One man’s hobby is another man’s world of metal wonders.

Sample some of Iberia’s best tinned fish at this century-old cannery just north of Porto.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This giant sculpture made of trash is a critique of society's wastefulness.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The world's oldest bookshop still in operation.

The scorched Lisbon church that survived two earthquakes and a massive fire.

Sip cherry liqueur at a bar dating back to 1840.

The best place in the world to buy tinned fish.