Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

There aren't too many operational funiculars around, but Pittsburgh has two!

This whimsical fountain pays tribute to Toronto's four-legged friends.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

Everything about this over-size novelty animal is huge including its testicles.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

This orchid sanctuary protects countless varieties of the flower, from the huge to the microscopic.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

The only castle in North America to ever house European sovereigns.

Frida Kahlo's childhood home, now a museum of her life and works.

One of the world’s most colorful cemeteries, where each pigment is symbolic.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

There's nothing shrimpy about the world's largest artificial prawn.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

A nightmare for the claustrophobic lies hidden in Southeast Asia.