This doorless 20th-century elevator doesn't stop or slow down.

This historic national park is covered in the stunning ruins of red rock pueblos.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

Nine Gardens in one—with tea service.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A fantastic castle rumored to be the birthplace of King Arthur.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

One of Ireland's most infamous prisons for rebels including men, women and children.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This historic hotel invented the chocolate brownie.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

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

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.