Spectacular views await visitors to this lake.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

An exotic wildlife habitat right off The Strip.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

New Brunswick's tallest mountain is the highest point in all the Maritimes.

When World War II came to Canada, Fort Péninsule was part of the first line of defense for Allied shipping convoys.

The oldest continuously operating fish market in the United States.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This groundbreaking 16th-century map is known as "America's birth certificate."

The United States Capitol's former columns still stand.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

This Texas windmill field celebrates the power and majesty of the very winds that blow.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Sail in for a ’dam good slice.

The mirrored section takes the shape of Hebrew characters when viewed from above.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The attic of a four-century-old canal house hides a clandestine church.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.