The center of the only hemisphere that awards visitors with a commemorative coin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

An operating lighthouse from the 1860s.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A historic presidential getaway on the continental United States' southernmost island.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The final resting place of the great navigator, or maybe his brother.

A monument celebrating the idea of reaching inaccessible places.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The only castle in North America to ever house European sovereigns.

An office built to look like a giant basket.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This striking art museum holds an amazing series of curiosity cabinets.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The only road through the heart of Glacier National Park.

"We Seceded Where Others Failed."

A bizarre roadside attraction and the first instance of miniature golf in the world.

Almost half-way between the Equator and North Pole.