The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

The notorious Wild West outlaw was raised in this unassuming abode.

Circleville is seriously smitten with this giant gourd.

The fifth-longest natural arch in the world, and the longest outside China.

The location where the iconic movie character declared it was time to go home.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the last members of the Byzantine Empire's last ruling dynasty is buried in the far-off soil of Barbados.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Singapore's oldest Hindu temple.

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

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

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

A self-funded cemetery with a long list of inhabitants.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

Come for the flowers, stay for the bats!

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

These medieval carvings bear scars left by Parliamentarian troops during the English Civil War.