Secluded wading pool with small waterfall and lovely nature.

This otherworldly church spire reaches up toward the heavens.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

A priceless collection of the Nation's cryptologic history.

Visit the monolithic tomb of America's most famous general.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

There’s a hidden military meme engraved on the World War II Memorial.

This hidden treasure provides a charming access point along the south side of Baker Park.

The second smallest castle keep in England.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.

A historic Georgian building and warm springs.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

This former wildlife sanctuary is being transformed into an art park.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Cross the Continental Divide through an old railroad tunnel, and ride back to the top on a shuttle.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The extensive collection of an amateur naturalist.

These 100-year-old tunnels in downtown Provo house artists, restaurants, and a few surprises.

A giant donut stands as a popular symbol of Los Angeles iconography.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.