In northern Ohio, the glorious past of America's trains is on full display.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

The seat of Buffalo government is a gorgeous Art Deco palace.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Buddha shrines hide within dark tunnels at this unique forest temple.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

This old residential building was once the largest flour mill in the world.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

A stone face watches over the river.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

The lowest point in South Dakota and the source of the Minnesota River.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

10,000 flowered plants bloom in the City of Roses.

Portlandia is the second-largest copper repoussé statue in the United States.

A massive sea stack famous for its appearance in The Goonies.

A heavenly experience, right here on Terra Firma.

A sculpture of a salmon swimming through a brick building.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.