One of the now-less-hidden floral gems of the "Emerald Necklace."

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

The quirky gift from West Berlin for the 1968 World's Fair still stands in Hemisfair Park.

The 40-foot-tall votive candle is the largest of its kind.

These boots are made for selfies.

Ruins of a once-opulent grand Victorian resort.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

A small island dotted with old, historic Finnish buildings.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Villas that once served as playgrounds for the rich now fall away in decay.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A subterranean house of worship carved right out of the bedrock.