"Try not to knock anything over!"

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

A museum dedicated exclusively to the lore and history of ouija boards.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The eccentric mansion of one the most popular horror authors of modern times.

This charming woodland trail is peppered with poetry.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

A cable-suspension footbridge that hangs high above the Mill River.

One car at a time please.

Inside this community-run museum, visitors are treated to the history of toys and games.

A Manhattan Episcopal church with an eerie underground crypt.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

This unusual apartment building may be Brooklyn's own version of the Leaning Tower of Pisa.

This recently uncovered ad for Lindsay's run at Mayor in 1965 had been hiding for decades underneath a billboard.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.