Singapore's landscaping project is home to 18 incredible Supertrees.

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

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This sidewalk tribute honors Colorado's great culinary creation.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The early 20th-century home features cutting-edge technology of the day, such as ammonia refrigeration and needle showers.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

This graffitied 19th-century building was a prototype of European industrial architecture.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Giant marble phalluses on the sacred island of antiquity.

The hallucinogenic center of the ancient world.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

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