Grand opera on a miniature scale.

The face of a woman pushes its way through the earth.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

This 4,000-acre restored grassland in northern Illinois is home to a range of native flora and fauna, from clovers to plovers to a herd of bison.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

World's second largest particle accelerator, where nature reveals its secrets.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

An oddity shop inspired by the history of the circus.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

A mysterious castle built as a monument to lost love.

Found: Garden of Eden in Miami-Dade County, Florida.

This beautiful Miami garden was designed as a laboratory for tropical plants.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

An underwater city for the dead.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.