The first bridge observation tower in the U.S. offers one of the best views of Maine.

A rare opportunity to drive across the ocean floor.

A small Canadian town founded as a refuge for Loyalists following American Independence.

The largest tidal whirlpool in the Western Hemisphere.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

One of the most unusual geological features, recognizable from a dozen hit movies.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Megachurch turned Catholic church comprised of 10,000 glass panes.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A unique sculpture garden nestled among farm fields.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

This Pringle-shaped ledge makes for the perfect photo op.

"Only the devil could play golf here."

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A musical instrument played by the sea.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.