This replica of the Greek structure is in the heart of Nashville.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

A rare kind of blue bear can be found chiefly in the national park that shares their name.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Fully loaded, Tunisian-style sandwiches are on the menu at this unassuming hole-in-the-wall.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

A domino effect created with Britain’s iconic telephone boxes.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

London's smallest police station is barely the size of a phone booth.

The anatomical-pathological collection of a man who changed surgery.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One part local history, 99 parts gruesome haunted house.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The now-serene site of the largest earthquake ever recorded in North America.

Considered by many to be one of the most dangerous highways in Alaska.