This historic hotel was once home to Henry David Thoreau and rumored to be haunted by ghosts of fallen soldiers from the American Revolution.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

This mosaic commemorates the oldest subway tunnel and station in the United States.

This historic sculpture from the 16th century is even older than the city of Boston.

A giant sculpture head with an optical illusion dedicated to the longtime conductor of the Boston Pops.

The colonial home of Paul Revere during the American Revolution.

Dozens of bronze glove sculptures symbolizing loss and life decorate a busy Cambridge subway station

The preserved historic home of the largest slave-owning family in Massachusetts serves as a memorial and a testament to the history of enslavement and abolition in the state

The aviator lived here from 1924 until she became the first woman to cross the Atlantic by airplane in 1928.

The oldest covered railroad bridge still standing in the United States.

This bronze statue commemorates the life of the first Black American to publish a novel in the United States.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

A fearsome dragon clings to a corner of Munich's city hall.

This museum in San Francisco's Chinatown is one of the oldest and largest archives of Chinese American history and culture.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

At 207 feet, one of the world's longest continuous escalators.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.