This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Where America’s first doomsday cult awaited the end of the world.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

This iconic water tower and failed bandstand is open for panoramic views once a year.

Minnesota's highest point is a scenic vista marked by a plaque and armies of mosquitoes.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

The only arched bridge made of stone on the entire Mississippi River.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

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

The world's largest piece of copyrighted artwork.

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

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

The site of Paul Revere's historic two lantern warning.

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