The floating gallery illuminates the heart of Québec City's arts district.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

An abandoned castle owned and ignored by Masons carries a cursed history.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Entering this curiosity shop is like stepping into a mad scientist's lab.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

A stone pillar commemorates the surrender of the extraordinary Apache leader.

Stairs often replace streets on the steep slopes of this old mining town.

A geological mystery on Camelback Mountain.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A secluded, little-known temple hidden amid the dense jungle.

A small 12th-century temple surrounded by waters believed to have curative properties.

This impressive clifftop temple was once at the center of an international custody dispute.

A battle between nature and architecture in the Cambodian jungle.