The mansion home of author Edith Wharton.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

Rumors of the occult haunt this upscale 1920s hotel.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A school used as a model for public education across the country.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over fifty whirling pools left by the glacial age.

A giant Troll lurks under one of Seattle's oldest bridges.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A beautiful Victorian-era cemetery, complete with a miniature village.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

A mysterious stone embedded at the base of a historic Boston building.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

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

A historic bridge with a lovely acoustic anomaly.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.