A massive Montreal stadium that has seen nothing but trouble since its inception.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This otherworldly church spire reaches up toward the heavens.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

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

A wax effigy of St. Valentine hides one of the saint's relics.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

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

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Possibly the smallest church in the world floats in the middle of a pond.

One of the smallest towns in the United States.

The kind of mixed-up place that drives archaeologists crazy.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

The oldest surviving botanic garden in the United States.

Faces carved into the cliffs create an otherworldly walking trail.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.

Inside this casino, visitors are treated to slot machines and a rare German Christmas pyramid.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

An 18-mile-long tunnel for sewage waste will soon wind within the bowels of Washington, D.C.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.