The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

One of the last functioning antique elevators in Chicago.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

A grandiose title could not save this mercantile community from obscurity.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

A snapshot of the city's fascinating voodoo culture.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A museum dedicated to the history and exploration of both popular music and science fiction.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

Huge abstract sculptures of the Puerto Rican Flag.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.