This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

A layered tribute to the work of mosaicist Isaiah Zagar.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

This massive, ancient stone was disassembled and then put back together again.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

Old Danish castle immortalized in Shakespeare's Hamlet.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.