This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

This poor little statue is the most vandalized memorial in Washington.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

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

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This free, take-a-book shop seems like a trick but isn't.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Breathtaking and huge 430 year old maps of Italy.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The absurd creation is a compulsory destination for selfies in Buffalo.

A contemporary fresco movement illustrates the region's rich history.

This urban oasis is a marvelous meld of music and landscape architecture.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

An unassuming 13-acre park is home to over 12,000 roses.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

A toweringly silly piece of modern art has been delighting locals since the 1980s.